Qadri, Waiz Al, Agus Suryanto, and Titin Sumarni. 2024. “Optimization of Mulching and Plant Spacing on the Improvement of Productivity in Upland Rice (Oryza Sativa L.) Variety INPAGO 13”. International Journal of Environment, Agriculture and Biotechnology 9 (6). https://i.agriculturejournals.org/index.php/ijeab/article/view/352.