Anawach Lawthongkum และ Chinakorn Khunno;Lamai Samakhom;Sirichai Khomobklang;Jantanee Suksakunee. (2023) Mathematic Supplementary Development on Title of Division, Addition, Subtraction, Multiplication and Decimal for Prathomsuksa 6 Students. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(4), 227-236.Anawach Lawthongkum และ Chinakorn Khunno;Lamai Samakhom;Sirichai Khomobklang;Jantanee Suksakunee. "Mathematic Supplementary Development on Title of Division, Addition, Subtraction, Multiplication and Decimal for Prathomsuksa 6 Students". Interdisciplinary Academic and Research Journal 3 (2023):227-236.Anawach Lawthongkum และ Chinakorn Khunno;Lamai Samakhom;Sirichai Khomobklang;Jantanee Suksakunee. Mathematic Supplementary Development on Title of Division, Addition, Subtraction, Multiplication and Decimal for Prathomsuksa 6 Students. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.