“A Brief Discovery on the Evaluation of Rock Wool and Zeolite in a Hydroponic Drip System for The Cultivation of Lettuce (Lactuca Sativa)”, iJTvET, vol. 5, no. 2, pp. 39–46, Oct. 2024, Accessed: Apr. 02, 2025. [Online]. Available: https://journal.pktm.com.my/index.php/ijtvet/article/view/180