Fogarty, Robin Designs for cooperative interactions / Robin Fogarty - Arlington Heights, IL : IR/Skylight, 1990 - xxii, 54 p. : ill. ; 28 cm. ISBN: 0932935281 (pbk.) 9780932935281 (pbk.) Subjects--Topical Terms: Block scheduling (Education) LC Class. No.: LB3032 / .F63 1990