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Development and Validation of Lessons in Ecology Integrating Concepts of Sustainable Development

Erdee C. Cajurao
College of Education, Dr. Emilio B. Espinosa, Sr. Memorial State College
of Agriculture and Technology, Masbate, Philippines
eccajurao@debesmscat.edu.ph
Date Received: May 27, 2019; Date Revised: November 10, 2019