Juba, Idowu, and Olawale Lawal. “Applying Lean Six Sigma to Optimize Green Hydrogen Production Processes With a Focus on Safety, Health, and Wellbeing”. INTERNATIONAL JOURNAL OF AGEING, SAFETY, HEALTHCARE & SCIENCE INNOVATION, vol. 1, no. 2, Feb. 2025, pp. 3-11, https://journals.adultprimefoundation.com/index.php/ijashsi/article/view/5.