Sumarya, Edi, Muhammad Alwi, Ade Suhara, and Rinto Yusriski. 2026. “Lean Manufacturing Strategy Based on Value Stream Mapping to Increase Production Process Efficiency in the Manufacturing Industry”. Jurnal Riset Teknologi Pencegahan Pencemaran Industri 17 (1):35-45. https://doi.org/10.21771/jrtppi.2026.v17.no1.p35-45.