Singhal, Shakshi, Adarsh Anand, and Ompal Singh. “Understanding Multi-Stage Diffusion Process in Presence of Attrition of Potential Market and Related Pricing Policy”. Yugoslav Journal of Operations Research 29, no. 3 (August 1, 2019): 393–413. Accessed July 28, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/579.