คำตะพลย. “The Tourism Promotion Application of 6 Souvenirs That Need to Purchase in Phetchabun Province With the Augmented Reality Technology”. Journal of Information Technology Management and Innovation, Vol. 6, no. 1, June 2019, pp. 179-8, https://ph02.tci-thaijo.org/index.php/itm-journal/article/view/162296.