Perhitungan Biaya Satuan Unit Unit Cost SPP Bulanan di MI Darul Ulum Brengkok Brondong Paciran Lamongan. MPI [Internet]. 2019 Jul. 1 [cited 2026 Oct. 27];1(2):99-111. Available from: https://ejournal.unsuda.ac.id/index.php/MPI/article/view/10