Meier, J., & Malone, P. J. (1979). Facilitating children's development: A systematic guide for open learning. University Park Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Meier, John, και Paula J. Malone. Facilitating Children's Development: A Systematic Guide for Open Learning. Baltimore: University Park Press, 1979.
Παραπομπή σε μορφή MLA (9th εκδ.)Meier, John, και Paula J. Malone. Facilitating Children's Development: A Systematic Guide for Open Learning. University Park Press, 1979.
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