Livestock and poultry production
Singh, Harbans
Livestock and poultry production - 2nd ed. - New Delhi Prentice-Hall 1978 - 550 p.
Animal husbandry
636 / SIN
Livestock and poultry production - 2nd ed. - New Delhi Prentice-Hall 1978 - 550 p.
Animal husbandry
636 / SIN