Yogi Kurnia Putra, Des M, Irma Leilani Eka Putri, Violita Violita. The Effect of Use Ground Coffee (Coffea arabica L.) as a addition Nutrition To The Growth of lettuce Plants (Lactuca sativa L.) In Hydroponics Systems. prosemnasbio [Internet]. 2022 May 31 [cited 2025 Mar. 13];1(2):1498-50. Available from: https://semnas.biologi.fmipa.unp.ac.id/index.php/prosiding/article/view/274