D. P. Sari, W. Warnita, and M. Muhsanati, “Impact of Eggshells on Growth and Production of Soybean (Glycine max(L) Merril) in Ultisol”, ijeab, vol. 8, no. 2, May 2023, Accessed: Nov. 25, 2024. [Online]. Available: https://journal-repository.com/index.php/ijeab/article/view/6287