A., Yudhistra Kumar, and Linga Murthy. 2023. “THE RISK MANAGEMENT APPROACH BY APPLYING HAZARDOUS AREA CLASSIFICATION, WHICH HELPS IN IDENTIFYING THE CRITICAL ZONES IN A PHARMACEUTICAL INDUSTRY”. International Journal of Engineering Science Technologies 7 (5):1–16. https://doi.org/10.29121/ijoest.v7.i5.2023.533.