Teacher education programs and other professional development programs create avenues for teachers to gain pedagogical content knowledge through workshops, lectures, working together with colleagues, and in teaching practice. Then their experiences in their classrooms as they teach students lead them to gain insight into which methodologies work under best under specific situations. That last source is usually ignored. It indicates that the professional knowledge of the teacher begins to develop long before the teacher becomes a candidate entering into teacher education.
미국에서 백링크 구매 
