Diglossia in Bangladesh and language planning / Udaya Narayana Singh & Maniruzzaman ; with a foreword by R.N. Srivastava. Singh, Udaya Narayana, 1951- Microfiche 85/70148 (P) 306.449 SID Appendix (p. [97]-214) includes statistical tables. Master microform held by: DLC. Bibliography: p. [89]-91. Microfiche. Washington, D.C. : Library of Congress Photoduplication Service, 1985. 3 microfiche ; 11 x 15 cm. Calcutta : Gyan Bharati, 1983. 1985. 1983. 1985 Text 214 p. : 3 microfiche ; 11 x 15 cm. eng