Gerdy, Maria S.
Educ. D. Dissertation, Columbia University Teachers College, 1986. 111pp. (DAI-A 47(3): 815. Sept. 1986.)
Pinchuk, Moshe
Helice 6(2 [No. 29]): 6-8.· Otoño-Invierno de 2020-2021.
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