Manuho, P., Saerang, D.P.E. and Pusung, R.J. 2023. Analysis of Production Cost Calculations using the Direct Costing Method at PT Fortuna Inti Alam. Formosa Journal of Applied Sciences. 2, 10 (Oct. 2023), 2249–2262. DOI:https://doi.org/10.55927/fjas.v2i10.6469.