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	1.	No cover image available No cover image available El positivismo en México / Leopoldo Zea. by Zea, Leopoldo Material type: Text; Format: print ; Literary form: Not fiction Publication details: México, D. F. : El Colegio de México, 1943 Availability: Items available for loan: General (1)Call number: 146.4 Z41p. Place hold Add to cart (remove)
	2.	La mentalidad positiva en españa: desarrollo y crisis / by Núñez, Diego Series: . Temas de ciencias sociales 7 Material type: Text; Format: print regular print ; Literary form: Publication details: España : Tucar, 1975 Availability: Items available for loan: Biblioteca Nacional Pedro Henríquez Ureña (1)Call number: BNPHU GR 196.1 N964m. Place hold Request article Add to cart (remove)

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