Jang, S.J., S.J. Jang, and S.J. Jang. “Evaluation of Lettuce Genotypes for Mineral Content”. Indian Journal of Horticulture 75, no. 04 (December 30, 2018): 613–618. Accessed June 28, 2025. https://journal.iahs.org.in/index.php/ijh/article/view/397.