Wulandari, C., P. Budiono, S. B. Yuwono, and S. Herwanti. “Adoption of Agro-Forestry Patterns and Crop Systems Around Register 19 Forest Park, Lampung Province, Indonesia”. Jurnal Manajemen Hutan Tropika, Vol. 20, no. 2, Sept. 2014, pp. 86-93, https://journal.ipb.ac.id/index.php/jmht/article/view/8440.