2022. Study of Inventory Management of Raw Material Using Wagner-Within Algorithm . International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT. 8, 2 (Feb. 2022), 21–27. DOI:https://doi.org/10.31695/IJERAT.2022.8.2.4.