Irzaman, I., Y. Darvina, P. Arifin, M. Budiman, and M. Barmawi. “Lattice Constants Analysis of Tantalum Oxide Doped Lead Zirconium Titanate Ceramic by Delphi Program”. Indonesian Journal of Physics, Vol. 16, no. 2, Nov. 2016, pp. 47-52, https://ijphysics.fi.itb.ac.id/index.php/ijp/article/view/122.