ลือชัยอ.; โกฎิฉกรรจ์พ.; น้ำสาอ. Research report to develop learning on the use of the Canva application To promote online learning in the epidemic situation COVID-19 Nong Tong Wittaya Municipal School, Nong Tong Subdistrict, Hang Dong District, Chiang Mai Province. Journal of Teaching Science, v. 1, n. 1, 14 mar. 2023.