(1976). Effect of light stimulus on Pekin ducks in the subtropics. I. On egg production. Egyptian Journal of Animal Production, 16(1), 41-50. doi: 10.21608/ejap.1976.145453
. "Effect of light stimulus on Pekin ducks in the subtropics. I. On egg production". Egyptian Journal of Animal Production, 16, 1, 1976, 41-50. doi: 10.21608/ejap.1976.145453
(1976). 'Effect of light stimulus on Pekin ducks in the subtropics. I. On egg production', Egyptian Journal of Animal Production, 16(1), pp. 41-50. doi: 10.21608/ejap.1976.145453
Effect of light stimulus on Pekin ducks in the subtropics. I. On egg production. Egyptian Journal of Animal Production, 1976; 16(1): 41-50. doi: 10.21608/ejap.1976.145453
Effect of light stimulus on Pekin ducks in the subtropics. I. On egg production