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://istp.ac.id.202-10-43-25.cpanel.site/index.php/jsti/article/view/110. Acesso em: 7 feb. 2026.