Firdaus, Irvan Maulana, Rosiana Dewi Silvia, Ahmad Faqih Amin, Rajwa Vourza Tsaqifa, Ira Purnama, and Febiyanto Febiyanto. 2019. “The Study of Pineapple Peel (Ananas Comosus L.) Waste Based-Electrolyte Medium: A Simple Experiment Design for the Students”. Walisongo Journal of Chemistry 2 (2):89-96. https://doi.org/10.21580/wjc.v2i2.6029.