Published in St. Petersburg times (Saint Petersburg, Fla. : 1921) (20.09.1989)

by Rasheed, Farooq, Khan, Aliya H, Khan, M Wali
Published in IDEAS Working Paper Series from RePEc (01.01.2009)

by McCallum, Elizabeth, Skinner, Christopher H., Hutchins, Holly
Published in Single-Subject Designs for School Psychologists (2004)