Munna, Md. Mehedi Hassan, Jonayed Abdullah, Tarequl Islam, and Most. Anika Tabassum Little. 2025. “Solder Lead Waste Reduction of a Selected Mobile Phone Factory: A Six Sigma DMAIC Approach”. ITEGAM-JETIA 11 (52), 173-78. https://doi.org/10.5935/jetia.v11i52.1575.