Sayaboc, L. S. (1978). Comparative input, output and financial data for cotton, corn, palay, mongo, Virginia tobacco, native tobacco and Burley tobacco: Ilocos region : 1978. Special Studies Division, Planning Service, Ministry of Agriculture.
Citación estilo ChicagoSayaboc, L. S. Comparative Input, Output and Financial Data for Cotton, Corn, Palay, Mongo, Virginia Tobacco, Native Tobacco and Burley Tobacco: Ilocos Region : 1978. Quezon City: Special Studies Division, Planning Service, Ministry of Agriculture, 1978.
Cita MLASayaboc, L. S. Comparative Input, Output and Financial Data for Cotton, Corn, Palay, Mongo, Virginia Tobacco, Native Tobacco and Burley Tobacco: Ilocos Region : 1978. Special Studies Division, Planning Service, Ministry of Agriculture, 1978.