A Study of how supervisors' evaluations, teachers' behavior, and students' attitudes toward teachers are related to instructionally effective teachers of ninth-grade mathematics 2026-02-15T13:39:31+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from session cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Dhafar, Abdulrazzag Ahmad (University of Wisconsin, 1982)