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	1.	Ecological knowledge and environmental problem-solving : concepts and case studies / Edition: First Edition Material type: Text Language: English Copyright date: Washington, D.C. : National Academy Press ; 1986 Availability: Items available for loan: Biblioteca Yachay Tech (1)Call number: 363.7 E1938 1986. Place hold Add to cart (remove)
	2.	No cover image available 50 cosas sencillas para salvar a la tierra / The earth works group, traducción de Martha Tappan. by The earth works group Tappan, Martha [traductor] Edition: Primera edición, cuarta reimpresión. Material type: Text; Literary form: Not fiction ; Audience: General; Language: Spanish Original language: English Copyright date: México : Diana ; 1995 Availability: Items available for loan: Biblioteca Yachay Tech (1)Call number: 363.70525 T3743c 1995. Place hold Add to cart (remove)
	3.	Living in the environment : a sourcebook for environmental education / K. M. Sytnik, L. S. Cherednichenko, V. G. Sakhaev, Yu. P. Lebedinsky, V. V. Voloshin, V. A. Kolybin. by Sytnik, K. M. (Konstantin Merkurʹevich) Cherednichenko, L. S [autor] Sakhaev, V. G [autor] Lebedinsky, Yu. P [autor] Voloshin, V. V [autor] Kolybin, V. A [autor] Edition: First Edition Material type: Text; Literary form: Not fiction ; Audience: General; Language: English Copyright date: Rusia : UNESCO, Naukova Dumka Publishers , 1985 Availability: Items available for loan: Biblioteca Yachay Tech (1)Call number: 577.071 S9959l 1985. Place hold Add to cart (remove)