คำล้าน ว., & เอกะกุล ธ. (2021). A Development of Difficulty Word Reading and Writing Skill by using the Process of Cooperative Leaning for Prathom Suksa 3 Students of Banpoekrasang School of Sisaket Primary Educational Service Area Office 4. Ubon Ratchathani Journal of Research and Evaluation, 2(2), 54–61. retrieved from https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250856