Prihastanti, Erma, Soekisman Tjitrosemito, Didy Sopandie, Ibnul Qayim, and Christoph Leuschner. 2016. “Kandungan, Resorpsi N Dan P Serta Specifi C Leaf Area Daun Kakao (Theobroma Cacao L.) Pada Cekaman Kekeringan”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 39 (1). https://doi.org/10.24831/jai.v39i1.13191.