Waste is a serious problem in Indonesia, including in Medan Belawan Regency. The Waste Bank Program is presented as a solution for waste management and community economic empowerment. This study aims to determine the role of the Waste Bank in community income. The research method used is descriptive statistics presented in the form of frequency distribution tables, histograms, steam and leaf (stem and leaf diagrams) or box plots (box line diagrams). Data collection was carried out through interviews, questionnaires and observations. The data analysis technique used is statistical analysis. The Waste Bank Program in Medan Belawan Regency has provided economic, social and environmental benefits. Economic benefits include increasing community income, creating jobs, and saving waste transportation costs. Social benefits include increasing public awareness of the importance of good waste management, and increasing public concern for the environment. Environmental benefits include reducing rubber production, reducing environmental pollution, and preserving natural resources. The Waste Bank Program in Medan Belawan Regency is one example of the application of an effective and sustainable green economy concept. This program can be a model for other waste management programs in Indonesia.

Libraries are part of the learning resources that every school and college must have. Because students easily search for information or knowledge through the library. This community service aims to socialize Information Management at the SMA Negeri 7 Binjai Library through the Use of Website-Based Applications. This community service method uses a socialization approach to students, female students, and teachers of SMA Negeri 7 Binjai. The results of this study explain that a library is an organization tasked with collecting information, processing, presenting, and serving the information needs of library users. The existence of this web-based library is very helpful for students, students, and teachers in obtaining information more quickly and helping the work of librarians in managing libraries that will be with tens of thousands to hundreds of thousands, even millions of collections, with services covering the school community (students, education staff, and the wider community), so it needs to be supported by an automation system that is futuristic (has a forward reach), so that it can always maintain excellent service.

Penelitian ini adalah bertujuan untuk menentukan dan menganalisis pengaruh promosi wisata, daya tarik wisata, fasilitas wisata, aksesibilitas, kualitas pelayanan, akomodasi, usia wisatawan dan pendapatan wisatawan di Objek Wisata Batu Katak Desa Batujonjong Kecamatan Bahorok Kabupaten Langkat yangmempunyai kompetitif dalam tingkat kunjungan wisata. Penelitian ini menggunakan data primer yang dikumpulkan dan untuk melihat pengklasifikasian tingkat kunjungan wisata digunakan jumlah sampel sebanyak 90 pengunjung objek wisata, dengan menggunakan metode analisis Confimatory Faktor Analysis (CFA) dan Regresi Linier Berganda dengan mengunakan software SPSS 26. Hasil dari penelitian menunjukan bahwa dari 8 variabel yang dianalisis dengan menggunakan model analisis faktor yang mempengaruhi tingkat kunjungan wisata Batu Katak, faktor yang mempengaruhi tingkat kunjungan wisata terdiri dari 3 faktor yaitu promosi wisata, kualitas pelayanan dan pendapatan wisatawan. Berdasarkan dari hasil analisis regresi linier berganda menunjukan bahwa promosi wisata dan kualitas pelayanan berpengaruh dan signifikan terhadap faktor tingkat kunjungan wisata Batu Katak, sedangkan pendapatan wisatawan berpengaruh dan tidak signifikan terhadap tingkat kunjungan wisata Batu Katak Desa Batujongjong Kecamatan Bahorok Kabupaten Langkat.