ROMANSYAH, Erni. Pemodelan Matematis Kimia Tanah dan Pengaruhnya terhadap Pertumbuhan Tanaman Padi Metode SRI (System of Rice Intensification). Jurnal Ilmiah Teknologi Pertanian Agrotechno, [S. l.], v. 3, n. 2, p. 342–347, 2019. DOI: 10.24843/JITPA.2018.v03.i02.p05. Disponível em: https://ejournal1.unud.ac.id/index.php/agrotechno/article/view/3839. Acesso em: 22 jan. 2026.