Duangchana, N. and Budsaba, K. (2014) “Asymptotic Confidence Ellipses of Parameters for the Inverse Gaussian Distribution”, Science & Technology Asia, 19(2), pp. 22–29. available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/18413 (accessed: 5 April 2025).