2023 http://localhost:8080/xmlui/handle/123456789/2566 Fri, 10 Apr 2026 21:14:15 GMT 2026-04-10T21:14:15Z Cyber law and security http://localhost:8080/xmlui/handle/123456789/2599 Cyber law and security Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2599 2023-12-01T00:00:00Z Refrigeration and air conditioning http://localhost:8080/xmlui/handle/123456789/2591 Refrigeration and air conditioning Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2591 2023-12-01T00:00:00Z Design of machine elements 1 http://localhost:8080/xmlui/handle/123456789/2567 Design of machine elements 1 Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2567 2023-12-01T00:00:00Z