SANGGAM B. SIHOMBING; ISNIAR TL. RITONGA. PUSAT PENELITIAN DAN PENGEMBANGAN PERTANIAN PADI DI PEMATANG SIANTAR. Jurnal Sains dan Teknologi ISTP, [S. l.], v. 16, n. 1, p. 56–67, 2021. DOI: 10.59637/jsti.v16i1.110. Disponível em: https://ejurnal.istp.ac.id/index.php/jsti/article/view/110. Acesso em: 24 jul. 2025.