Sheep management and production :
Goodwin, Derek H.
Sheep management and production : a practical guide for farmers and students. - 2nd ed. - London : Hutchinson, 1979. - 224 p.
Open access.
Sheep--Breeding.
Sheep management and production : a practical guide for farmers and students. - 2nd ed. - London : Hutchinson, 1979. - 224 p.
Open access.
Sheep--Breeding.