พิศวง ศิรินทิพย์. 2021. “THE PRODUCT DEVELOPMENT OF OTOP ENTREPRENEURS TO SUPPORT KNOWLEDGE-BASED NETWORK IN SURIN PROVINCE”. Research Community and Social Development Journal 15 (4). Nakhon Ratchasima, Thailand:28-41. https://doi.org/10.14456/nrru-rdi.2021.63.