2019 http://localhost:8080/xmlui/handle/123456789/1359 Fri, 10 Apr 2026 23:20:06 GMT 2026-04-10T23:20:06Z Network theory http://localhost:8080/xmlui/handle/123456789/1361 Network theory Sun, 01 Dec 2019 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/1361 2019-12-01T00:00:00Z Engineering mechanics http://localhost:8080/xmlui/handle/123456789/1360 Engineering mechanics Sun, 01 Dec 2019 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/1360 2019-12-01T00:00:00Z