1.
Cessy Yulia Nofia. Preparation of Standard Operating Procedures (SOPs) for Procurement of Goods, Especially Shopping for Consumables of Practical Materials at SMK Negeri 6 Batam. SSIJ [Internet]. 2023 Aug. 13 [cited 2025 Mar. 15];1(2):27-31. Available from: https://journal.midpublisher.com/index.php/ssij/article/view/5