ठोसर, यशवन्त विनायक मराठी माध्यमिक त्रिकोणमिति Marathi Madhyamik Trikonmiti - Nagpur Nagpur Vishvavidyalaya 1950 - 367 p. Index, logarithmic tables Subjects--Topical Terms: MathematicsSciences Dewey Class. No.: M5G / THO