Using National Parks for Problem Based Learning (PBL) in an Introductory Earth System Science Course for Non-majors
https://www.powershow.com/view/3ce6de-ZTUzZ/Using_National_Parks_for_Problem_Based_Learning_PBL_in_an_Introductory_Earth_System_Science_Course_for_Non-majors_powerpoint_ppt_presentation
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