Janejira Prapasawat และ Jintana Sarayuthpitak. (2020) Instructional Management Effects Using Case Studies in Topic of Natural Disasters for Improving Decision-making Skills and Problem-solving Skills of Prathomsuksa 6 Students in Bangkok. <i>Journal of Education Studies, Chulalongkorn University</i>, <i>48</i>(4), 76-90.Janejira Prapasawat และ Jintana Sarayuthpitak. "Instructional Management Effects Using Case Studies in Topic of Natural Disasters for Improving Decision-making Skills and Problem-solving Skills of Prathomsuksa 6 Students in Bangkok". Journal of Education Studies, Chulalongkorn University 48 (2020):76-90.Janejira Prapasawat และ Jintana Sarayuthpitak. Instructional Management Effects Using Case Studies in Topic of Natural Disasters for Improving Decision-making Skills and Problem-solving Skills of Prathomsuksa 6 Students in Bangkok. Centre for Education Innovation, Print and Online Media:ม.ป.ท. 2020.