Bucha , Sumitra, and Sumalee Chookhampaeng. 2020. “THE DEVELOPMENT OF LEARNING ACTIVITY IN BIOLOGY BY DESIGN THINKING WITH PARTICIPATORY LEARNING TO PROMOTE CREATIVITY OF GRADE 11 STUDENTS”. Journal of MCU Nakhondhat 7 (12). Nakhon Si Thammarat, Thailand:210-21. https://so03.tci-thaijo.org/index.php/JMND/article/view/249108.