නූතන ආර්ථික විශ්ලේෂණ /

"Tantirigama, G."

නූතන ආර්ථික විශ්ලේෂණ / G. Tantirigama - 6 th ed. - Colombo: "Author," 2022 - 78p.

955 96302 0 2

economic analysis

330 / TAN
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