“Study of Structural and Ferroelectric Properties of the Composite Ba5RTi3V7O30 (R=Pr, Tb) ”. Bulletin of Pure and Applied Sciences – Physics 38, no. 2 (December 20, 2019): 65–72. Accessed November 24, 2024. https://acspublisher.com/journals/index.php/bpasphy/article/view/9421.