Maulana, S. et al. 2024. Efficiency Study Analysis of Electrical Energy in Container Stacking Equipment Rubber Tyred Gantry Crane (RTGC) Using Hybrid Energy Source Method. International Journal of Advanced Multidisciplinary. 3, 1 (Apr. 2024), 1–15. DOI:https://doi.org/10.38035/ijam.v3i1.509.