Production and marketing of palay seed Cagayan Valley

Bibliográfalaš dieđut
Eará dahkkit: Sayaboc, L.S
Materiálatiipa: Girji
Giella:eaŋgalasgiella
Almmustuhtton: Quezon City Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture 1978.
Ráidu:Philippines. National Food and Agriculture Council. Special Studies Division 77-8
Fáttát: