Hamilton, F., (2019). Frontiers in Veterinary Science 6(August), 259. Frontiers Media S.A., Lausanne, Switzerland. English language
Young, J. R., Evans-Kocinski, S., Bush, R. D., Windsor, P. A., (2015). Transboundary and Emerging Diseases 62(5), 491-504. Wiley-Blackwell, Berlin, Germany. English language
Volpato, G., GodĂnez, D., Beyra, A., (2009). Human Ecology 37(1), 43-53. Springer Science + Business Media, Inc (Springer), New York, USA. English language
Fortier, A., (1992). Cahiers d'Economie et Sociologie Rurales(No. 23), 87-108. French language
McPhetres, S. F., (1992). Social change in the Pacific Islands., 241-263. Kegan Paul International, London, UK. English language
Al-Sa'di, E. A., (1990). Dissertation Abstracts International. A, Humanities and Social Sciences 50(8), p.2548. English language
Manger, L. O., (1990). From water to world-making: African models and arid lands., 121-134. Scandinavian Institute of African Studies, Uppsala, Sweden. English language
Colonna, F., (1978). Revue Francaise de Sociologie 19(3), 407-426. French language
Schutte, H., (1973). Asia Quarterly(2), 157-175. English language