Effects of Environmental Education Learning by Using the 7Es-Learning Cycle with Multiple Intelligences and the Teacher’s Handbook Approaches on Learning Achievement, Critical Thinking and Integrated Science Process Skills of High School (Grade 10) Students

Nida Kitjinda-Opas, Paitool Suksringarm and Adisak Singseewo

Pakistan Journal of Social Sciences 6 ( 5 ): 292 - 296 , 2009