Budi Santosa
Department of Agricultural Extension, Faculty of Science, Social and Education, Universitas Prima Nusantara, Bukittinggi, West Sumatra 26111, Indonesia Indonesia
Muhammad Amri
Department of Agricultural Extension, Faculty of Science, Social and Education, Universitas Prima Nusantara, Bukittinggi, West Sumatra 26111, Indonesia Indonesia
Yurma Metri
Department of Agricultural Extension, Faculty of Science, Social and Education, Universitas Prima Nusantara, Bukittinggi, West Sumatra 26111, Indonesia Indonesia