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3. Concept of general and specific combining ability in relation to diallel crossing systems;Griffing;Australian J. Biol. Sci.,1956
4. Henderson, C. R., 1948. Estimation of general, specific and maternal combining ability in crosses among inbred lines of swine. Unpublished Ph. D. Thesis, Iowa State College.
5. Importance of various genetic factors on performance of diallel single crosses in poultry;Hill;Poultry Sci.,1959