Surujuddin Ahmed.
Modern plane trigonometry : for higher secondary classes / Surujuddin Ahmed. - 7th ed. - Dacca : Zebunnessa Ahmed, 1972. - xviii, 304 p. : ill. ; 17 cm.
326 326
Topology.
514.5 / S78m
Modern plane trigonometry : for higher secondary classes / Surujuddin Ahmed. - 7th ed. - Dacca : Zebunnessa Ahmed, 1972. - xviii, 304 p. : ill. ; 17 cm.
326 326
Topology.
514.5 / S78m