Hossain, MB, and KS Ryu. “Effects of Organic and Inorganic Fertilizers on Lettuce (Lactuca Sativa L.) and Soil Properties”. SAARC Journal of Agriculture 15, no. 2 (January 25, 2018): 93–102. Accessed September 28, 2025. https://www.banglajol.info/index.php/SJA/article/view/35158.