Saarumathi R, and Ritha W. “Impregnable Inventory Stewardship for a Closed Loop Supply Chain Besides Energy Usage, Defective Production and Green Investment Manoeuvring Pentagonal Fuzzy Number”. The Scientific Temper, vol. 16, no. 01, Mar. 2025, pp. 3631-9, doi:10.58414/SCIENTIFICTEMPER.2025.16.1.07.