Sari, Desi Pramida, Warnita Warnita, and Muhsanati Muhsanati. “Impact of Eggshells on Growth and Production of Soybean (Glycine max(L) Merril) in Ultisol”. International Journal of Environment, Agriculture and Biotechnology 8, no. 2 (May 16, 2023). Accessed August 25, 2024. https://journal-repository.com/index.php/ijeab/article/view/6287.