Nurmala A, Arif Lubis F, K K. Analysis Of Production Costs, Sales Volume, And Break Even Point (BEP) In Profit Planning for A Bakery Business (A Case of Naucake21). JIA [Internet]. 2026 Nov. 7 [cited 2026 Nov. 11];8(2):791-800. Available from: https://jurnal.usi.ac.id/index.php/jia/article/view/2826