Rafli, Muhammad, Universitas Malikussaleh, Aceh Utara, 24355 (Indonesia)
Rahayu, Anita, Department of Agrotechnology, Faculty of Agriculture, Syiah Kuala University, Banda Aceh (Indonesia)
Rizki, Rizki, Politeknik Pertanian Negeri Payakumbuh (Indonesia)
Rosliani, Rini, Indonesian Vegetables Research Institute Jl. Tangkuban Perahu 517 Lembang 40391 Bandung (Indonesia)
Rosnina, Rosnina, Department of Agroecotechnology, Faculty of Agriculture, Universitas Malikussaleh Jl. Cot Tengku Nie Reuleut, Muara Batu, Aceh Utara 24355 (Indonesia)
Rusdiansyah, Rusdiansyah, Faculty of Agriculture, Mulawarman University, Samarinda, East Kalimantan Province, (Indonesia)
Rusdiansyah, Rusdiansyah, The Agriculture Faculty, Mulawarman University, Samarinda, East Kalimantan Province, (Indonesia)
Rusdiansyah, Rusdiansyah, Faculty of Agriculture, Universitas Mulawarman, Samarinda, East Kalimantan Province, (Indonesia)