TY - BOOK AU - TANNER, C. Kenneth AU - SCHNITTVER, Carl J., coaut. AU - ATKINS, Truman T., coaut. TI - Effects of the use of management strategies on stress levels of high school principals in the United States KW - ADMINISTRACION EDUCATIVA KW - ESTADOS UNIDOS DE AMERICA KW - STRESS KW - TECNICAS ADMINISTRATIVAS ER -