Intawong, S., Phuengthanasan, P., Damrongmanee, R., & Maneesai, S. (2022). The Cost Management of the OTOP Product, Proceessed Food and Handicraft, in Sansai District, Chiang Mai Province. PAYAP UNIVERSITY JOURNAL, 31(2), 80–91. https://doi.org/10.14456/pyuj.2021.19