Katasaro, P., J. Leeka, S. Thongpan, and P. J. Ritthithit. “A Metaphysical Analysis in the Essence of the Milindapañhā”. Journal of Graduate MCU KhonKaen Campus, vol. 6, no. 2, June 2019, pp. 299-11, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/243580.