WIDADA, HARI, ABDUL ROHMAN, RIRIS ISTIGHFARI JENIE, and SISMINDARI. 2019. “APPLICATION OF GRAPHENE OXIDE ON APTAMER-BASED BIOSENSOR DEVELOPMENT FOR AUTHENTICATION OF GELATIN”. International Journal of Applied Pharmaceutics 11 (2):254-58. https://doi.org/10.22159/ijap.2019v11i2.31122.