[1]
Saran Parisutthikul, Supat Faarungsang, Monchai Duangjinda, and Amara Thongpan, “Algorithms for Calculating the Indices Determining the Production Efficiency of Swine Breeding Herds: Pigs Weaned Per Sow Per Year and Litters Per Sow Per Year”, Agr. Nat. Resour., vol. 44, no. 4, pp. 691–702, Aug. 2010.