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Analisis Perubahan Suhu Udara di Kota Medan Sebelum dan Sesudah Covid 19 Menggunakan Metode Statistika Quality Control
Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa
Vol 3
, No 3
(2025)
Climate change has had a significant impact on various aspects of life, including air temperature in urban areas such as Medan City. This study aims to analyze changes in air temperature in Medan City during and after the COVID-19 pandemic, especially related to social restriction policies such as PPKM. Temperature data was obtained from UPT BMKG Medan for the period 2020 to 2025 and analyzed using I-MR (Individual-Moving Range), Cusum, and EWMA (Exponentially Weighted Moving Average) methods. T...
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Kinerja Keuangan Sebelum Dan Saat Pandemic Covid-19 Pada Perusahaan Telekomunikasi Yang Tercatat Di Bursa Efek Indonesia
Jurnal Ilmiah Komputerisasi Akuntansi
Vol 15
, No 1
(2022)
The purpose of this study was to determine differences in the financial performance of telecommunication companies listed on the Indonesia Stock Exchange before and during the COVID-19 pandemic. The method in this research uses descriptive quantitative. The sampling technique was carried out by purposive sampling. The type of data used is secondary data obtained from the Indonesia Stock Exchange in the form of financial reports for the first quarter - fourth quarter of the Telecommunication Sect...
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