Nath DC, Sinha P. A markovian study of no claim discount system of Insurance Regulatory and Development Authority and its application. Thail. Stat. [internet]. 2015 May 27 [cited 2026 Sep. 24];12(2):223-36. available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34202