Singh, Jagdev, and Sweta Rani. “Comparative Analysis in Piping Industry: An Empirical Study by Mixed Methodology in Research”. NOLEGEIN-Journal of Consumer Behavior & Market Research 1, no. 2 (October 25, 2018): 23–42. Accessed May 2, 2024. https://mbajournals.in/index.php/JoCBMR/article/view/170.