Khowjoy K. The Model for The Productivity towards Operation Facilities affecting Operation Performance of Industrial Entrepreneurs (SMI) in Phetchabun ProvinceThe Model for The Productivity towards Operation Facilities affecting Operation Performance of Industrial E. rpujournal [Internet]. 2020 Apr. 25 [cited 2024 May 2];6(1):149-60. Available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/242234