Supardy, S., E. Adelina, and U. Made. “Pengaruh Lama Perendaman Dan Konsentrasi Giberelin (GA3) Terhadap Viabilitas Benih Kakao (Theobroma Cacao L.)”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal), Vol. 4, no. 4, Aug. 2016, pp. 425-31, http://jurnal.faperta.untad.ac.id/index.php/agrotekbis/article/view/41.