Wiriyawit , Nathanan. 2021. “CULTURAL AND HERITAGE IDENTITY STUDY FOR LOCAL TOURISM OF PAKPLI DISTRICT, NAKHON NAYOK PROVINCE”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences 16 (1):35-51. https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/248109.