คำปลิว ภัทราวัลย์, and ทวีปวรเดช วิโรจน์. “Online Students Statistics Report System in 3-D Bar Graph on Google Earth”. Journal for Developing the Social and Community 1, no. 1 (January 31, 2013): 90–94. accessed October 14, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211349.