Viera, C. J., Kopsell, E., Beer, J., Jiménez Otárola, F., & Lok, R. (1999). Forestry incentives to establish and manage timber trees in coffee fields.
Chicago Stili AlıntıViera, Carlos J., Edgar Kopsell, John Beer, Francisco Jiménez Otárola, ve Rosanna Lok. Forestry Incentives to Establish and Manage Timber Trees in Coffee Fields. 1999.
MLA AlıntıViera, Carlos J., et al. Forestry Incentives to Establish and Manage Timber Trees in Coffee Fields. 1999.
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