์Natthakan Sonthikan และ Suwimon Tirakanant; Kamontip Srihaset. (2023) Construction of a Diagnostic Test for Mathematical Problem-Solving of Prathomsuksa 3 Students in Schools under Taling Chan District Office, Bangkok. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(1), 313-324.์Natthakan Sonthikan และ Suwimon Tirakanant; Kamontip Srihaset. "Construction of a Diagnostic Test for Mathematical Problem-Solving of Prathomsuksa 3 Students in Schools under Taling Chan District Office, Bangkok". Interdisciplinary Academic and Research Journal 3 (2023):313-324.์Natthakan Sonthikan และ Suwimon Tirakanant; Kamontip Srihaset. Construction of a Diagnostic Test for Mathematical Problem-Solving of Prathomsuksa 3 Students in Schools under Taling Chan District Office, Bangkok. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2023.