Retrospect Musekwa, R. and Makubate, B. (2025) “A New Class of Models with Bathtub Shaped Hazard Rate Functions”, Thailand Statistician, 24(1), pp. 98–115. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/263017 (accessed: 14 September 2026).