Rahmawati, I., Shabrina, N., Fachri, B., Amini, H., Palupi, B., Rizkiana, M., Nurtsulutsiyah, N., Pradipta, S., Afwal, D., & Reza, M. (2022). Effect of Time Variation on Chlorophyll Concentration in Cocoa Leaf Extraction using the UAE (Ultrasonic Assisted Extraction) Method. Jurnal Kartika Kimia, 5(1), 58-63. https://doi.org/10.26874/jkk.v5i1.97