ผายรัศมี ศ. EFFECTS OF WORK MOTIVATION AND DESIRABLE BEHAVIOR OF EMPLOYEES ON PRODUCTIVITY OF STAFF AT A CAR DEALERSHIP AND SERVICE CENTER IN PATHUM THANI PROVINCE. ptujournal [internet]. 2021 Dec. 29 [cited 2026 Sep. 28];13(2):76-92. available from: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/251171