Rakhmayanti, R. D., and R. T. Hastuti. “FORMULASI HARD CANDY EKSTRAK KAYU SECANG (Caesalpinia Sappan L.)”. IKRA-ITH Teknologi Jurnal Sains Dan Teknologi, Vol. 3, no. 3, Nov. 2019, pp. 1-6, https://journals.upi-yai.ac.id/index.php/ikraith-teknologi/article/view/511.