Information systems are an essential part of technological progress, the success of information systems that can produce precise, accuracy, quality, and fast information that enhances the performance of organizations and people. According to Delone and McLean's model, there are an information system's critical success factors. Six key variables that support information systems success are information quality, quality system, service quality, use, user satisfaction, and net benefits. This research uses quantitative research methods, and the data used were 80 respondents by using purposive sampling, assisted by using questionnaire data collection methods. Analysis of the data used is PLS-SEM using the SmartPLS application. The results showed a significant effect on the quality information on use, user satisfaction, and net benefits. There is no significant effect on the quality system to use, user satisfaction, and net benefits. Quality of service is significant for use and net benefits, but there is no significant effect on user satisfaction.

English language learning in elementary schools based on the 2013 curriculum is included in local content, where English language learning becomes learning that is not mandatory in elementary schools. However, some elementary schools require their students to learn English, but the schools educator shortages. At the elementary school SDN Bereng Kajang - 1, researcher found that the school has a local content teacher, but the teacher have no basic in english learning. The researcher's goal is to improve English learning through vocabulary material with flashcard media. This research uses the CAR (Classroom Action Research) method in which this research collaborates with the teacher in observing the student learning process while in the classroom. This research was conducted in 2 cycles; the sample of this study was grade 4 students and total of the students are 12. In this study, researcher are more concerned with the process of each cycle stage in order to get satisfactory results.

<p><span>Penelitian ini bertujuan untuk mengetahui pengaruh pengalaman kerja dan komunikasi terhadap produktivitas tenaga kerja dengan kompetensi sebagai variabel mediasi. Pengambilan sampel menggunakan <em>non-probability sampling</em> dengan 40 responden dan populasi sesuai kriteria. Jenis penelitian ini adalah kuantitatif. Populasi dalam penelitian ini adalah karyawan PT Van Techno Saa. Metoda analisis yang digunakan adalah uji asumsi klasik, analisis regresi linier, uji hipotesis, analisis jalur dan uji sobel. Hal ini dilakukan dengan menguji kemampuan variabel independen (X) dalam memberikan pengaruh tidak langsung terhadap variabel dependen (Y) dengan variabel intervening (Z). Berdasarkan hasil analisis dari 40 responden menunjukkan bahwa pengalaman kerja mempunyai pengaruh signifikan terhadap produktivitas kerja, komunikasi mempunyai pengaruh signifikan terhadap produktivitas kerja, kompetensi mempunyai pengaruh signifikan terhadap produktivitas kerja, pengalaman kerja dan komunikasi mempunyai pengaruh signifikan terhadap kompetensi. Pengalaman kerja dengan kompetensi yang berfungsi sebagai faktor mediasi komunikasi meningkatkan produktivitas tenaga kerja.</span></p><p><em><span>This research aims to determine the influence of work experience and communication on labor productivity with competency as a mediating variable. Sampling used non-probability sampling with 40 respondents and a population according to the criteria. This type of research is quantitative. The population in this study were employees of PT Van Techno Saa. The analytical methods used are classical assumption test, linear regression analysis, hypothesis testing, path analysis and Sobel test. This is done by testing the ability of the independent variable (X) to provide an indirect influence on the dependent variable (Y) with the intervening variable (Z). Based on the results of the analysis of 40 respondents, it shows that work experience has a significant influence on productivity, communication has a significant influence on productivity, competence has a significant influence on work productivity, work experience and communication have a significant influence on competence. Work experience with competencies that function as communication mediating factors increases labor productivity.</span></em></p>