Kurniawan A, Djunaidi Z. ANALYSIS OF EFEECTIVENESS OF CRITICAL CONTROL IMPLEMENTATION USING PLANNED JOB OBSERVATION IN DIVISION X PT. A. mea [Internet]. 24May2024 [cited 26Oct.2025];8(2):425-38. Available from: https://journal.stiemb.ac.id/index.php/mea/article/view/4001