Angcorum, P.C. 2013. Curriculum Development on Tracking the Lava, Studying Dipterocarp Forest at Khao Kradong National Park, Buriram Province for Matthayomsuksa 2 Students in the Substance Science Learning Group at the Secondary Educational Service Area Office 32. Journal of MCU Social Science Review. 2, 1 (Apr. 2013), 24–41.