Students’ perspectives regarding the institutional English courses in Universidad Surcolombiana von Yara Falla, Karla Tatiana, Collazos Perdomo, Maria Ximena

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Complementary foliar fertilization improves the yield, health and profitability of cocoa in rainfed agroecosystems von Bravo Palma, Erick Humberto, Cedeño García, Galo, Castro Olaya, Jessenia Rosanna, Cedeño García, George Alexander

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Transgenic Bt maize in South-and Central America: the pros and cons von Zenner-de-Polanía, Ingeborg

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Generation of electric power and air conditioning by cogeneration: a proposal for energy saving von Vera-Romero, Iván

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Is university education profitable in Colombia?: an estimation von Gil-León, José Mauricio, Casas-Herrera, Julián Augusto, Lemus-Vergara, Andrea Yaelt

Schlagworte: “… cost-benefit analysis …”