Pechinthorn, Komm. 2018. “The results from applying statistical technology software into classroom in comparison against the lecturer’s traditional calculation by hand”. วารสารวิจัย มทร. กรุงเทพ 12 (2). Bankok, Thailand:111-18. https://ph02.tci-thaijo.org/index.php/rmutk/article/view/132648.