D Silverside & M Jones. (1992). Small scale poultry processing. Daya publishing house.
Dyfyniad Arddull ChicagoD Silverside and M Jones. Small Scale Poultry Processing. Daya publishing house, 1992.
Dyfyniad MLAD Silverside and M Jones. Small Scale Poultry Processing. Daya publishing house, 1992.
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