Students’ perspectives regarding the institutional English courses in Universidad Surcolombiana 著者: 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 著者: 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 著者: Zenner-de-Polanía, Ingeborg

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

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

主題: “…cost-benefit analysis…”