Nuengruetai Supanwanich และ Oravan Sanguanruang. (2007) Structures and properties of strontium ion doped Ln(Pr, La)₂(Co, Ni, Cu)O₄ perovskites. Chulalongkorn University:ม.ป.ท.Nuengruetai Supanwanich และ Oravan Sanguanruang. 2007. Structures and properties of strontium ion doped Ln(Pr, La)₂(Co, Ni, Cu)O₄ perovskites. ม.ป.ท.:Chulalongkorn University;Nuengruetai Supanwanich และ Oravan Sanguanruang. Structures and properties of strontium ion doped Ln(Pr, La)₂(Co, Ni, Cu)O₄ perovskites. ม.ป.ท.:Chulalongkorn University, 2007. Print.