Triwanto, Joko, Amir Syarifuddin, and Lala Aprilia. 2024. “The Effect of Land Slope Level on Productivity of Pujon Agroforestry”. Agriecobis : Journal of Agricultural Socioeconomics and Business 7 (01):89-97. https://ejournal.umm.ac.id/index.php/agriecobis/article/view/32918.