Shofiyani, Anis, AND Damajanti, Neni. " Influence Of 2,4-D (Diclorophenoxy Acetic Acid) and BAP (Benzyl Amino Purine) on Callus Proliferation and Secondary Metabolite Production from Kaemferia galanga Callus" JURNAL ILMU KEFARMASIAN INDONESIA [Online], Volume 15 Number 2 (30 September 2017)