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		Biblioteca de psicología educativa / William A. Mehrens, Irvin J. Lehmann ; tr. Helene Levesque D. by Mehrens, William A, 1937- Lehmann, Irvin J [coaut.] Material type: Text; Literary form: Not fiction Publication details: México : CECSA, c1982 (1987 impr.) Availability: Items available for loan: Bib. Gregorio Torres Quintero (6)Collection, call number: Colección General LB1131 M4.2, ... Place hold
		No cover image available Educational research : readings in focus / ed by Irvin J. Lehmann. by Lehmann, Irvin J [ed.] Edition: 2a ed. Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York : Holt, Rinehart and Winston, 1979 Availability: Items available for loan: Bib. Gregorio Torres Quintero (1)Collection, call number: Colección General LB1028 E3.5 1979. Place hold
		No cover image available Educational research readings in focus / ed. Irvin J. Lehman. by Lehmann, Irvin J [ed.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York : Holt, Rinehart and Winston, 1971 Availability: Items available for loan: Bib. Gregorio Torres Quintero (1)Collection, call number: Colección General LB1028 E3.5. Place hold
		Standardized tests in education / William A. Mehrens, Irvin J. Lehmann. by Mehrens, William A, 1937- Lehmann, Irvin J [coaut.] Edition: 2a ed. Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York : [s.n.], 1975 Availability: Items available for loan: Bib. Gregorio Torres Quintero (1)Collection, call number: Colección General LB3051 M4.8 1975. Place hold