Sangaareegul, A., & Kamonsakdavikul, S. (2025). MOTIVATION AFFECTING WORK EFFICIENCY OF TRUCK DRIVERS IN TRANSPORTATION BUSINESS, PATHUMTHANI PROVINCE. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences, 20(1), 230–244. retrieved from https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/277447