(1969). Effect of Crossing in the Productivity of Duck: III- On Egg Production. Egyptian Journal of Animal Production, 9(2), 275-283. doi: 10.21608/ejap.1969.156204
. "Effect of Crossing in the Productivity of Duck: III- On Egg Production". Egyptian Journal of Animal Production, 9, 2, 1969, 275-283. doi: 10.21608/ejap.1969.156204
(1969). 'Effect of Crossing in the Productivity of Duck: III- On Egg Production', Egyptian Journal of Animal Production, 9(2), pp. 275-283. doi: 10.21608/ejap.1969.156204
Effect of Crossing in the Productivity of Duck: III- On Egg Production. Egyptian Journal of Animal Production, 1969; 9(2): 275-283. doi: 10.21608/ejap.1969.156204
Effect of Crossing in the Productivity of Duck: III- On Egg Production