Vilaisarn, Y., Y. Norher, P. Chanthavong, P. Kiatoukaisy, S. Inthala, and S. Phrakonkham. “An AC Power Flow Analysis Using Optimization Method for Grid-Connected AC Electrical Network”. Souphanouvong University Journal Multidisciplinary Research and Development, vol. 10, no. 2, Apr. 2024, pp. 59-71, http://www.su-journal.com/index.php/su/article/view/531.