Wananda Prabpai และ Nongluk Viriyapong; Monchaya Chiangpradit. (2023) Effect of cooperative learning using learning together technique with technology media in teaching mathematics on percentage and ratio on mathematical problem-solving ability and mathematics learning achievement of Grade-6 students. <i>Journal of Science and Science Education</i>, <i>6</i>(2), 280-292.Wananda Prabpai และ Nongluk Viriyapong; Monchaya Chiangpradit. "Effect of cooperative learning using learning together technique with technology media in teaching mathematics on percentage and ratio on mathematical problem-solving ability and mathematics learning achievement of Grade-6 students". Journal of Science and Science Education 6 (2023):280-292.Wananda Prabpai และ Nongluk Viriyapong; Monchaya Chiangpradit. Effect of cooperative learning using learning together technique with technology media in teaching mathematics on percentage and ratio on mathematical problem-solving ability and mathematics learning achievement of Grade-6 students. Faculty of Science, Ubon Ratchathani University:ม.ป.ท. 2023.