Raweewan Uthanukroa, and Wiwat Petsri. “The study of learning outcomes of Mathematics Using a cooperativeactivity (Peer Learning) on decimal multiplication for grade 5 students”. JOURNAL MAHA CHULA TANI MAHACHULALONGKORNRAJAVIDYALAYA UNIVERSITY, vol. 4, no. 8, Dec. 2022, pp. 26-32, https://so02.tci-thaijo.org/index.php/mcupnpbcr/article/view/253705.