Ryanni Sarah Simangungsong, Audira Ginting, Ardi Lumban Tobing, and 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.