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Kightley, Eric P., Victoria Reyes-García, Kathryn Demps, Ruth V. Magtanong, Victoria C. Ramenzoni, Gayatri Thampy, Maximilien Gueze, i John Richard Stepp. An Empirical Comparison of Knowledge and Skill in the Context of Traditional Ecological Knowledge. BioMed Central, 2013.

Kightley, Eric P., et al. An Empirical Comparison of Knowledge and Skill in the Context of Traditional Ecological Knowledge. BioMed Central, 2013.