Ahmed, Z.
A complete key to S. U. Ahmed's modern plane trigonometry / Z. Ahmed. - 4th ed. - Dacca : The Star, 1970. - 200 p. : ill. ; 17 cm.
336 336
Plane trigonometry.
514.5 / S78m
A complete key to S. U. Ahmed's modern plane trigonometry / Z. Ahmed. - 4th ed. - Dacca : The Star, 1970. - 200 p. : ill. ; 17 cm.
336 336
Plane trigonometry.
514.5 / S78m