Principles and practices of agronomic research

Bibliográfalaš dieđut
Váldodahkki: Salmon, Samuel C
Eará dahkkit: Santos, Ibarra S.
Materiálatiipa: Girji
Giella:eaŋgalasgiella
Almmustuhtton: [Los Banos, Laguna] Plant Breeding Division, College of Agriculture, University of the Philippines 1961.
Fáttát: