Siregar, Asnan, Agrotechnology Study Program, Faculty of Science and Technology, Universitas Labuhanbatu, Labuhanbatu, Sumatera Utara, 21418, Indonesia
Siregar, Asrul, Universitas Sumatera Utara
Siregar, Asrul
Siregar, Danny S., Universitas Indraprasta PGRI Jakarta
Siregar, Eveline, State University of Jakarta
Siregar, Eveline, Educational Technology, Faculty of Education, State University of Jakarta
Siregar, Feby Yoana, Faculty of Economics, Universitas Prima Indonesia, Medan
Siregar, Feby Yoana, Fakultas Ilmu Sosial dan Kependidikan, Universitas Potensi Utama, Medan
Siregar, Ghina Kamilah, Universitas Negeri Padang
Siregar, Hamdan Maruli, Study Program of Agroecotechnology, Faculty of Agriculture, Jambi University, Jambi

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