Gangel, K. O. (1978). Developing a philosophy of teaching: conditioning or indoctrination?: Christian higher education at the end of the twentieth century ; part 3. Bibliotheca sacra, 135(539), 195-205.
Παραπομπή σε μορφή Chicago (17η εκδ.)Gangel, Kenneth O. "Developing a Philosophy of Teaching: Conditioning or Indoctrination?: Christian Higher Education at the End of the Twentieth Century ; Part 3." Bibliotheca Sacra 135, no. 539 (1978): 195-205.
Παραπομπή σε μορφή MLA (9th εκδ.)Gangel, Kenneth O. "Developing a Philosophy of Teaching: Conditioning or Indoctrination?: Christian Higher Education at the End of the Twentieth Century ; Part 3." Bibliotheca Sacra, vol. 135, no. 539, 1978, pp. 195-205.
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