S. M. M. Sabai, “Cradle-to-Cradle Production: Concrete Waste Recycling for Sustainable Construction in Tanzania”, ASRJETS-Journal, vol. 14, no. 3, pp. 118–129, Dec. 2015, Accessed: Sep. 17, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/1130