Kittipong Laipaporn และ Kritsana Neammanee. (2005) Bounds in a combinatorial central limit theorem for randomized orthogonal array sampling designs. Chulalongkorn University:ม.ป.ท.Kittipong Laipaporn และ Kritsana Neammanee. 2005. Bounds in a combinatorial central limit theorem for randomized orthogonal array sampling designs. ม.ป.ท.:Chulalongkorn University;Kittipong Laipaporn และ Kritsana Neammanee. Bounds in a combinatorial central limit theorem for randomized orthogonal array sampling designs. ม.ป.ท.:Chulalongkorn University, 2005. Print.