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#However, [https://en.wikipedia.org/wiki/Lee_Shulman#Pedagogical_content_knowledge_.28PCK.29 Shullman] suggested that teachers' "subject knowledge and pedagogy were being treated as mutually exclusive. He believed that teacher education programs should combine the two knowledge fields. He introduced the notion of pedagogical content knowledge (PCK) that includes pedagogical knowledge and content knowledge, (and also curriculum knowledge, knowledge of educational contexts etc).

#However, [https://en.wikipedia.org/wiki/Lee_Shulman#Pedagogical_content_knowledge_.28PCK.29 Shullman] suggested that teachers' "subject knowledge and pedagogy were being treated as mutually exclusive. He believed that teacher education programs should combine the two knowledge fields. He introduced the notion of pedagogical content knowledge (PCK) that includes pedagogical knowledge and content knowledge, (and also curriculum knowledge, knowledge of educational contexts etc).

#[http://punya.educ.msu.edu/ Punya Mishra], professor, and [http://mkoehler.educ.msu.edu/ Matthew J. Koehler], professor, both at Michigan State University, have done extensive work in extending PCK to [http://TPACK.org TPACK] framework

#[http://punya.educ.msu.edu/ Punya Mishra], professor, and [http://mkoehler.educ.msu.edu/ Matthew J. Koehler], professor, both at Michigan State University, have done extensive work in extending PCK to [http://TPACK.org TPACK] framework