2023 http://localhost:8080/xmlui/handle/123456789/1843 Sun, 12 Apr 2026 08:26:04 GMT 2026-04-12T08:26:04Z Waves and oscillations http://localhost:8080/xmlui/handle/123456789/2838 Waves and oscillations Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2838 2023-12-01T00:00:00Z English (Reappear) http://localhost:8080/xmlui/handle/123456789/2836 English (Reappear) Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2836 2023-12-01T00:00:00Z Basic calculus http://localhost:8080/xmlui/handle/123456789/2835 Basic calculus Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2835 2023-12-01T00:00:00Z Atomic and molecultar physics http://localhost:8080/xmlui/handle/123456789/2831 Atomic and molecultar physics Fri, 01 Dec 2023 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/2831 2023-12-01T00:00:00Z