MULTI-TASKING PRACTICES AND TASK-BASED MANAGEMENT STYLE OF CLASSROOM LEADERS AND ITS IMPACT ON TEACHERS’ PERFORMANCE AND PRODUCTIVITY Journal title: IOER INTERNATIONAL MULTIDISCIPLINARY RESEARCH JOURNAL Authors: VERONICA JANES S. LAGUNA, ELISA N. CHUA Subject(s): Arts and Literature, Biological Sciences, Business Administration, Computer and Information Science, Earth Sciences, Economics, Education, Electrical and Electronic Engineering, Engineering, Humanities, Law, Linguistics, Mathematics, Social Sciences, Literature, Agricultural Science