Llera, Blanche Franchette D., Zenaida C. Gonzaga, and Julie D. Tan. “Growth, Yield and Microbial Contamination of Lettuce (Lactuca Sativa L.) Grown under Two Types of Cultivation System As Influenced by Different Organic Fertilizers”. Annals of Tropical Research 44, no. 2 (December 19, 2022): 150–162. Accessed December 22, 2024. https://atr.vsu.edu.ph/article/view/50.