Alston, J. M., Norton, G. W., & Paedey, P. G. (1998). Science under scarcity: Principles and practice for agricultural research evaluation and priority setting. CAB international.
Παραπομπή Chicago StyleAlston, Julian M., George W. Norton, και Philip G. Paedey. Science Under Scarcity: Principles and Practice for Agricultural Research Evaluation and Priority Setting. U K: CAB international, 1998.
Παραπομπή MLAAlston, Julian M., et al. Science Under Scarcity: Principles and Practice for Agricultural Research Evaluation and Priority Setting. CAB international, 1998.
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