Chinnawoot, Sunipa, Patteera Wuthiphongpat, and Jutamast Kumudom. 2016. “Outcomes of Problem Based Learning about Laws and Regulations Related to Nursing”. Journal of Research in Nursing-Midwifery and Health Sciences 36 (3):172-81. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/73427.