Panit Suavansri และ Petarpa Boonserm. (2010) Algorithmic simplification of sulution generating theorems of perfect fluid spheres in general relativity. Chulalongkorn University:ม.ป.ท.Panit Suavansri และ Petarpa Boonserm. 2010. Algorithmic simplification of sulution generating theorems of perfect fluid spheres in general relativity. ม.ป.ท.:Chulalongkorn University;Panit Suavansri และ Petarpa Boonserm. Algorithmic simplification of sulution generating theorems of perfect fluid spheres in general relativity. ม.ป.ท.:Chulalongkorn University, 2010. Print.