Carthy M, Lynch R. A Correlational-Comparative Study of Grades 9, 10, 11 and 12 Students’ Motivation for Learning Biology and Their Biology Achievement at Pan-Asia International School, Thailand. scho [Internet]. 2018Dec.27 [cited 2024May7];10(2):280. Available from: http://www.assumptionjournal.au.edu/index.php/Scholar/article/view/2879