00541nam a2200181Ia 4500 180921t1983 xxu||||| |||| 00| 0 sin d sin 51 (025) ATH Athukorala, Nimal ගණිතය ආදර්ශ ප්‍රශ්නෝත්තර Ganithaya. I-II Adarshha prashhnoththara S. Godage Colombo 1983 112p., 22 cm Question papers Mathematic O/L BK 0 0 0 0 SCI MAIN MAIN 2023-06-11 51 (025) ATH 119713 2023-06-11 2023-06-11 BK 14279 14279 LK-CoDNM LK-CoDNM LK-CoDNM LK-CoDNM