Research on mental retardation in Bangladesh / edited by Sultan S. Zaman. - Dhaka : Bangladesh Protibondhi Foundation, 1990. - xii, 210 p. ; 23 cm. Includes bibliographical references. LCCN: 91901618 Subjects--Topical Terms: mental retardation LC Class. No.: MLCM 93/09155 (R) Dewey Class. No.: 362.3 / RES 1990