This study aims to identify and analyze service excellence which has a positive and significant partial effect on user satisfaction, to determine and analyze complaint handling which has a positive and significant partial effect on user satisfaction and to determine and analyze service excellence and complaint handling which have a positive and significant effect simultaneously. on user satisfaction at the Postgraduate Library of Muhammadiyah University of North Sumatra (UMSU). The type of research used is descriptive quantitative. The population in this study was 1,419 members of the Postgraduate Library. The sample in the study was 93 respondents using the Simple Random Sampling technique. The analytical method used is instrument test, classical assumption test, hypothesis test, coefficient of determination test and multiple linear regression analysis. The results showed (1) Based on the Partial Test (t test) service excellence has a positive and significant effect on user satisfaction at the

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This research is intended to know the influence of world oil price, economic growth, and government expenditure on unemployem with inflation as moderating variables in Indonesia. Population in this research is Indonesia and 22 of them were selected to be the samples for this research through purposive sampling technique. Estimates conducted by the multiple regression analysis. The data that were used in this study were secondary data, consisted of World Oil Price, Economic Growth and Government Expenditure to Unemployemnt for the year 2000-2021. The results of this research, that Based on the partial test (t test), the World Oil Price, Economic Growth, and Government Expenditure have significant effect on the variables of the Unemployment in Indonesia, the simultan test (F test), World Oil Price, Economic Growth and Government Expenditure have a significant effect on the variables of the Unemployment. The inflation are unable to moderate the relationship between world oil price, economic growth and government expenditure on the unemployment.

The purpose of this study is to determine, in part and simultaneously, the effects of economic literacy and internal control on the entrepreneurial interest satisfaction of students in Class XII of Private Vocational High School (SMK) 2 Mulia Medan. The study population consisted of 37 class XII students from Private Vocational High School 2 Muria Medan. The sample for this survey consisted of 37 respondents using a saturated sampling technique. The analytical methods used are instrumental testing, classical hypothesis testing, hypothesis testing, certainty testing, and multiple regression analysis. The results show that (1) based on subtests (t-tests), financial literacy has a positive and significant effect on entrepreneurial interest among students in Class XII of Private Vocational High School (SMK) 2 Mulia Medan, (2) a subtest-based (t-test) Internal Locus of Control, and (3) a simultaneous test of economic literacy (F-Test) and, based on the Internal Locus of Control, between private class XII students and interested in entrepreneurship at the same time. Vocational High School (SMK) 2 Mulia Medan.

Khalayak sasaran strategis yang di pilih dalam pengabdian adalah para guru Perguruan SD Tunas Harapan Medan yang memiliki pemahaman pengoperasian Zoom yang terbatas. Adapun tujuan dari kegiatan ini adalah untuk (1) Membantu para guru dengan memberikan pemahaman dan pengoperasian mengenai Zoom supaya lebih memilih proses belajar mengajar dengan aplikasi Zoom. (2) Memberikan saran kepada sekolah untuk melengkapi saran pendukung yaitu Wifi yang terkoneksi ke seluruh ruangan kelas atau beberapa kelas. (3) Memberikan saran kepada sekolah untuk menginformasikan kepada para orang tua murid agar dapat menggunakan paket-paket internet yang disediakan pemerintah. Jumlah guru Perguruan SD Tunas Harapan Medan sebanyak 25 orang. Guru-guru yang mengikuti kegiatan ini berjumlah 16 orang. Materi yang diberikan kepada para guru Perguruan SD Tunas Harapan Medan yaitu meliputi cara mengoperasikan Zoom sebagai Host dan Participant. Dalam melaksanakan kegiatan penyuluhan ini, tim pengabdi membagi kegiatan ini menjadi 2 sesi, yaitu sesi pertama yaitu pemberian pengarahan Zoom dan sesi kedua yaitu tanya jawab serta praktek langsung. Selama kegiatan penyuluhan yang diadakan di Perguruan SD Tunas Harapan Medan berjalan lancar sesuai harapan tim pengabdi. Semua guru yang menjadi khalayak sasaran PKM ini, sangat antusias dan bersemangat. Setelah kegiatan penyuluhan ini selesai, tim pengabdi mengharapkan para guru dapat mengoperasikan Zoom serta menerapkannya dalam proses belajar mengajar.