00481nam a2200193Ia 4500 LK-CoDNM 20240123133606.0 010623t1929 xxu||||| |||| 00| 1 sin d LK-CoDNM LK-CoDNM LK-CoDNM sin 104 M 3 Silva,M.D.S ගණිත වර්ණනාව Ganita Varnanaawa Bastian Co. Colombo 1929 271p, 18 cm Mathematics BK 0 0 1 1 MONO MAIN MAIN REF 2023-08-02 0 104 M 3 OB1014 2023-08-02 2023-08-02 BK 94823 94823