Romyen, L. ., sanyasorn Swasthaisong, P. . Saenchat, N. . Muanglen, N. . Thanaraj, and P. . Sawasthaisong. “Development of vocational skills and community-based innovation to solve income poverty problems: The case study of Phon Na Kaeo District, Sakon Nakhon Province”. RMUTSB ACADEMIC JOURNAL (HUMANITIES AND SOCIAL SCIENCES), vol. 10, no. 1, June 2025, pp. 97-112, https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/271309.