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, feb. 2019. ISSN 2548-8023. Available at: <https://ojs.unud.ac.id/index.php/agrotechno/article/view/46645>. Date accessed: 08 may 2024. doi: https://doi.org/10.24843/JITPA.2018.v03.i02.p05.