The Effective parent / Don Dinkmeyer ... [et al.]. - Circle Pines, Minn. : American Guidance Service, 1987. - x, 164 p. : ill. ; 26 cm. Includes bibliogr. references. ISBN: 0913476684 (pbk.) Subjects--Corporate Names: STEP (Program) Subjects--Topical Terms: Parenting--Psychological aspects.--United States