Joydeep Mookerjee, Subir Chattopadhyay. “Statistical Measurements of Technology Adoption Among Unstructured Retailers”. Mathematical Statistician and Engineering Applications 71, no. 4 (December 28, 2022): 7339–7353. Accessed April 3, 2026. https://www.philstat.org/index.php/MSEA/article/view/1352.