Suttipong Boonphadung and  Thassanant Unnanantn,  Miller’s Model for Developing Critical Thinking Skill of Pre-Service Teachers at Suan Sunandha Rajabhat University.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2015, vol. 98(2). 561 - 566
    [viewed 18 May 2022]. Available from: https://publications.waset.org/pdf/10000604.