Kaewkerd N, Pakprot N, Lenanant A. FACTORS AFFECTING THE OPERATIONAL QUALITY IN DIGITAL ERA OF TEACHERS IN SECONDARY SCHOOLS IN PHETCHABURI PROVINCE. JPR [internet]. 2023 Sep. 12 [cited 2025 Apr. 17];6(1):หน้า 362 - 379. available from: https://so03.tci-thaijo.org/index.php/JPR/article/view/268027