A. Y. . Heryanto, “An Analysis of Logistic Cost Structure in Corn Commodity Supply Chain (Zea Mays L) in East Java Using Activity Based Costing (ABC) Method”, emait, vol. 5, no. 2, pp. 45–52, Jan. 2025, Accessed: Mar. 11, 2026. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/emait/article/view/20248