Valbuena-Niño E, Rincón-Joya M, Barba-Ortega J. Study of structural modifications in a ferroelectric material by means of two optical methods. ITECKNE [Internet]. 1 [cited 5May2024];14(2):105-9. Available from: http://revistas.ustabuca.edu.co/index.php/ITECKNE/article/view/1764