Muhsinin, Soni, Pratiwi Anggraeni Putri, Dadang Juanda, and Rahma Ziska. 2022. “Bromelain Enzyme Activity from Pineapple (Ananas Comosus (L) Merr)”. SIGn Journal of Pharmacy 1 (1), 24-31. https://jurnal.penerbitsign.com/index.php/sjp/article/view/144.