Sarmah, Bijoykrishna Deb Ramaniya ganit / Bijoykrishna Deb Sarmah - 2nd ed. - Guwahati : Children's Literary Trust , 2015 . - 46p.; 22cm. Subjects--Topical Terms: Mathematics--Assamese.Assamese.Collection of article--Mathematics.Assamese literature. Dewey Class. No.: 510 / SAR