Lahiry, S. “Is Barrett Equation Universally Applicable for Explaining Dielectric Constant of Ferroelectrics and Ferroelectric Thin Films?”. Journal of Scientific Research 16, no. 2 (May 1, 2024): 517–526. Accessed April 17, 2025. https://banglajol.info/index.php/JSR/article/view/69553.