Hapsari, Nadya Amalia Putri, and Suparno Suparno. “The Effect of Concentration Variation of Liquid Organic Fertilizer Application on the Growth of Mustard Plants”. Jurnal Penelitian Pendidikan IPA 9, no. 7 (July 25, 2023): 4894–4900. Accessed July 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/2837.