Purba, Okin Ringan, et al. “Stock Optimization To Face The Level of Personal Protective Equipment Replacement in The General Affairs Division Using The Wecare System at PT Astra Daihatsu Motor”. Dinasti International Journal of Education Management and Social Science, vol. 7, no. 5, June 2026, pp. 4273-84, doi:10.38035/dijemss.v7i5.6455.