Prasetya, Khabibudin Adi, and Puji Rahayu. 2024. “Analysis Of Opportunity Cost In Renting, Contracting, And Building Camp Facilities At Mr. Bob Kampung Inggris As A Strategy To Reduce Operating Costs”. Proceeding ICAMEKA: International Conference Accounting, Management & Economics Uniska 1 (November):886-92. https://doi.org/10.32503/icameka.v1i.73.