Riris, Ida Duma, Universitas Muhammadiyah Sumatera Utara
Risnawati, Risnawati (Indonesia)
Risnawati, Risnawati, Universitas Muhammadiyah Sumatera Utara (Indonesia)
Risnawati, Risnawati
Risnawati, Risnawati, Universitas Muhammadiyah Sumatera Utara
Rizar, Fitra Fadhilah, Faculty of Agriculture, Universitas Sriwijaya, Indonesia (Indonesia)
Rosmanita, Rosmanita (Indonesia)
Rosmayati, Rosmayati, Universitas Sumatera Utara (Indonesia)
Rudyanto, Riswan
Rusnadi, Mambang
Ryantika, Ade

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ISSN: 2442-7306