Dr. William ReboreABDULMAJEED KHULAIF KHALAF ALSHAMMARI2022-06-012022-06-0133313https://drepo.sdl.edu.sa/handle/20.500.14154/57769TEACHERS AND SCHOOL PRINCIPALS’ CONCERNS REGARDING THE IMPLEMENTATION OF THE PROFESSIONAL LEARNING COMMUNITY AS AN INNOVATION IN HAIL SCHOOL DISTRICT, SAUDI ARABIAThesis