Sanders, Norris M. Classroom questions: what kinds? / Norris M. Sanders. - New York : Harper & Row , c1966. - xii, 176 p. : ill ; 20 cm. - Exploration series in education . LCCN: 66010841 Subjects--Topical Terms: Questioning. LC Class. No.: LB1027 / .S2597 Dewey Class. No.: 373 / SAC 1966