Rahmawati I, Shabrina N, Fachri B, Amini H, Palupi B, Rizkiana M, Nurtsulutsiyah N, Pradipta S, Afwal D, Reza M. Effect of Time Variation on Chlorophyll Concentration in Cocoa Leaf Extraction using the UAE (Ultrasonic Assisted Extraction) Method. JKK [Internet]. 25May2022 [cited 19Jun.2025];5(1):58-3. Available from: https://jkk.unjani.ac.id/index.php/jkk/article/view/97