Tipan, Allan D. “The Factors Affecting the Sociolinguistic and Strategic Competencies in English Among Teachers in Higher Education Teachers in Lipa City”. JPAIR Multidisciplinary Research 13, no. 1 (August 27, 2013): 79–97. Accessed November 22, 2024. https://philair.ph/index.php/jpair/article/view/224.