“Development a New Costing Structure Using Time Driven Activity-Based Costing for Palm Oil Plantation”. 2021. International Journal of Engineering Technology and Sciences 7 (1): 11-25. https://doi.org/10.15282/http://dx.doi.org/10.15282/ijets.http://dx.doi.org/10.15282/ijets.7.1.2020.10027.1.2020.1002.