යහ පාලනය සඳහා විධිමත් ලේඛන කළමනාකරණය = Yaha palanaya sadaha vidimath lekana kalamanakaranaya - Colombo Dept. of national archives 2007 - xv, 116 p. ill. 21 cm.

9789559016144


National archival material - good governance

651.504 / YAH

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