คำปลิว ภัทราวัลย์, and ทวีปวรเดช วิโรจน์. 2013. “Online Students Statistics Report System in 3-D Bar Graph on Google Earth”. Journal for Developing the Social and Community 1 (1). Bangkok, Thailand:90-94. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211349.