2018 http://localhost:8080/xmlui/handle/123456789/1106 2026-04-10T18:45:36Z 2026-04-10T18:45:36Z Operations research http://localhost:8080/xmlui/handle/123456789/1160 2022-09-05T10:56:48Z 2018-05-01T00:00:00Z Operations research 2018-05-01T00:00:00Z Digital signal processing http://localhost:8080/xmlui/handle/123456789/1107 2022-09-05T06:58:48Z 2018-05-01T00:00:00Z Digital signal processing 2018-05-01T00:00:00Z