Some Studies in Exact and Approximation Algorithms for Tree Search Problems http://127.0.0.1/xmlui/handle/123456789/5206 Fri, 17 Apr 2026 01:04:28 GMT 2026-04-17T01:04:28Z Some Studies in Exact and Approximation Algorithms for Tree Search Problems http://127.0.0.1/xmlui/handle/123456789/5207 Some Studies in Exact and Approximation Algorithms for Tree Search Problems Sarkar, Uttam Kumar Tue, 01 Sep 1992 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/5207 1992-09-01T00:00:00Z