Ryanni Sarah Simangungsong, Audira Ginting, Ardi Lumban Tobing, & Hamonangan Siallagan. (2024). Understand and Able to Use Relevant Cost Concepts in Making Decisions that Provide More Provide More Profits Big. International Journal of Educational and Life Sciences, 2(7). https://doi.org/10.59890/ijels.v2i7.2198