Chakraborty, A., I. Bhattacharjee, and N. Chakraborty. “Essence of PPC (Production, Planning and Control) in Enhancing Productivity at Fly Ash Brick Manufacturing Industry”. Journal of Mines, Metals and Fuels, vol. 71, no. 12A, May 2024, pp. 40-46, doi:10.18311/jmmf/2023/43589.