Srimannarayana Gajula, Lalitha P S, Kiran Kumar Paidipati,. 2023. “Frequency of Indian Health Insurance Claims Data Using Zero-Inflated Poisson (ZIP) and Zero-Inflated Negative Binomial (ZINB) Regression Models”. European Economic Letters (EEL) 13 (3):475-82. https://www.eelet.org.uk/index.php/journal/article/view/305.