Kirdmanee, B., S. Pepore, and B. Sukbot. “PATH INTEGRAL ANALYIS FOR TIME-DEPENDENT HARMONIC OSCILLATORS”. Journal of Humanities and Social Sciences Thonburi University, vol. 8, no. 15, May 2016, pp. 95-99, https://so03.tci-thaijo.org/index.php/trujournal/article/view/57020.