Sulaksono, G.; Hasmeda, M.; Hanum, L.; Wendra, F. .; Santika, B. .; Asmono, D. . THE EFFECT OF CULTURE MEDIA TYPE AND PLANT GROWTH REGULATORS ON CALLUS INDUCTION OF OIL PALM (Elaeis Guineensis Jacq) PISIFERA TYPE. BIOV 2021, 7, 55-60.