Yapa,N.U. සීඩීඑස්/අයිසිස් සලර අත්පොත CDS/ISIS Sarala Athpotha - Colombo Sri Lanka Swabawika Sampath Balashakthi ha Vidya Adhikariya 1996 - 100p., 29 cm Subjects--Topical Terms: Library Science Universal Decimal Class. No.: 025.4036 YAP