Saputra และผู้แต่งคนอื่นๆ. 2007. Development of performance-based design code for concrete structures in Indonesia. Field of Study Civil Engineering, Chulalongkorn University;
Saputra และผู้แต่งคนอื่นๆ. (2007) Development of performance-based design code for concrete structures in Indonesia . Chulalongkorn University/Bangkok.
Saputra และผู้แต่งคนอื่นๆ. Development of performance-based design code for concrete structures in Indonesia. . Bangkok:Chulalongkorn University, 2007.
Saputra และผู้แต่งคนอื่นๆ. (2007) Development of performance-based design code for concrete structures in Indonesia . Chulalongkorn University/Bangkok.