Jukkapun Nathongchai และ Samarn Ekkapim; Poosit Boontongtherng. (2023) Developing a Learning Management Model to Promote the Problem-solving Capabilities Analytical for 6th Graders. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(3), 83-96.Jukkapun Nathongchai และ Samarn Ekkapim; Poosit Boontongtherng. "Developing a Learning Management Model to Promote the Problem-solving Capabilities Analytical for 6th Graders". Interdisciplinary Academic and Research Journal 3 (2023):83-96.Jukkapun Nathongchai และ Samarn Ekkapim; Poosit Boontongtherng. Developing a Learning Management Model to Promote the Problem-solving Capabilities Analytical for 6th Graders. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.