Haber Jonathan. “It’s Time to Get Serious about Teaching Critical Thinking.” Inside Higher Ed, 2Mar. 2020, www.insidehighered.com/views/2020/03/02/teaching-students-think-critically-opinion.
Love Cassandra. “Geo-Inquiry Process: Educator Guide.” National Geographic2017, media.nationalgeographic.org/assets/file/Educator_Guide_Geo_Inquiry_Final_2.pdf
Plummer Thomas G. “Cognitive Growth and Literary Analysis: A Dialectical Model for Teaching Literature.” Die Unterrichtspraxis/Teaching German, vol. 21, no.1 1988, pp.68–80