Barker, D. J., & McKenzie, T. (2014). An economic analysis of farming coffee and trees at Turrialba, Costa Rica: Comparing small farms with poro (Erythrina poeppigiana) only to those with both laurel (Cordia alliodora) and poro. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica).
Chicago Style CitationBarker, David J., and Thomas McKenzie. An Economic Analysis of Farming Coffee and Trees At Turrialba, Costa Rica: Comparing Small Farms With Poro (Erythrina Poeppigiana) Only to Those With Both Laurel (Cordia Alliodora) and Poro. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 2014.
MLA CitationBarker, David J., and Thomas McKenzie. An Economic Analysis of Farming Coffee and Trees At Turrialba, Costa Rica: Comparing Small Farms With Poro (Erythrina Poeppigiana) Only to Those With Both Laurel (Cordia Alliodora) and Poro. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica), 2014.