Philippines (Republic) Bureau of Public Schools, Agricultural Education Division, Dignadice, N. D., & Hess, O. (1959). Vocational guide in approved coffee cultural practices. [s.n.].
Cita Chicago Style (17a ed.)Philippines (Republic) Bureau of Public Schools, Agricultural Education Division, Napoleon D. Dignadice, y Oleen Hess. Vocational Guide in Approved Coffee Cultural Practices. Manila: [s.n.], 1959.
Cita MLA (9a ed.)Philippines (Republic) Bureau of Public Schools, et al. Vocational Guide in Approved Coffee Cultural Practices. [s.n.], 1959.
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