Vivatpinyo, J., C. Sutthirat, and P. Charusiri. “Petrography of Volcanic Rocks at Q-prospect, Akara Gold Mine, Pichit Province, North Central Thailand”. Bulletin of Earth Sciences of Thailand, vol. 4, no. 1, Nov. 2021, pp. 5-12, https://ph01.tci-thaijo.org/index.php/bestjournal/article/view/246504.