Guffey SK, Slater TF, Slater SJ. Development Of The EGGS Exam Of GeoloGy Standards To Measure Students’ Understanding Of Common Geology Concepts. JAESE [Internet]. 2017 Jun. 6 [cited 2024 Jul. 22];4(1):25-62. Available from: https://clutejournals.com/index.php/JAESE/article/view/9973