The Use of Tempe Wastewater OLF (Organic Liquid Fertilizer) and Papaya Fruits Waste (Carica papaya L.) on The Growth and Productivity of Pakcoy Plant (Brassica rapa L.): Pemberian POC (Pupuk Organik Cair) Air Limbah Tempe dan Limbah Buah Pepaya (Carica papaya L.) terhadap Pertumbuhan dan Produktivitas Tanaman Pakcoy (Brassica rapa L.). Pharmasci [Internet]. 2020 Apr. 17 [cited 2026 May 25];5(1):29-32. Available from: https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/162