Yulistian, Asna, Eko Nurcahya Dewi, and Lukita Purnamayati. “Effect of Agar Industry Waste-Based Liquid Fertilizer on Growth and Nutrient Uptake in Red Lettuce”. Journal of Soil, Plant and Environment 4, no. 1 (May 25, 2025): 31–46. Accessed June 12, 2025. https://www.jspae.com/index.php/jspae/article/view/649.