“CITRIC ACID FORMULATION ON THE QUALITY OF PURPLE EGGPLANT (SOLANIUM MELONGENAL) JAM AS AN EFFORT TO FOOD DIVERSIFICATION”. 2022. CITRA : International Journal of Community Service, Informatics, Technology, Research in Education, Art and Humanities 1 (1): 71-81. https://journal.citradharma.org/citra/article/view/118.