Perez, 1990. In: Developing World Agriculture. Speedy, A.W. (ed.), Grosvenor Press International, London. pp. 230-237
Document reference
Perez, R., 1990. Intensive livestock production systems based on local resources in Cuba. In: Developing World Agriculture. Speedy, A.W. (ed.), Grosvenor Press International, London. pp. 230-237