Nualtim, W. au. “HUMANOID ROBOT BASED ON STEREO VISION TO AVOID AN OBSTACLE”. Research Journal Phranakhon Rajabhat : Science and Technology, vol. 13, no. 2, Apr. 2018, pp. 1-15, https://li01.tci-thaijo.org/index.php/PRRJ_Scitech/article/view/111246.