EFFECTIVENESS OF CLASSROOM MANAGEMENT STRATEGIES AND LEARNERS' PERFORMANCE IN GOOD MANNERS AND RIGHT BEHAVIOR CONDUCT (GMRC) PSYCHOLOGY AND EDUCATION: A MULTIDISCIPLINARY JOURNAL Volume: 46 Issue 10 Pages: 1394-1409 Document ID: 2025PEMJ4535 DOI: 10.70838/pemj.461009 Manuscript Accepted: 06-24-2025