Dinh Thanh Khan. 2017. “A STUDY ON CRYSTALLINE MORPHOLOGY OF AN AlN THICK FILM GROWN ON THE TRENCH-PARTERNED -Al2O3 USING X-RAY DIFRACTION”. UED Journal of Social Sciences, Humanities and Education 7 (5), 14-17. https://doi.org/10.47393/jshe.v7i5.821.