2023 http://localhost:8080/xmlui/handle/123456789/1843 2026-04-12T08:21:44Z 2026-04-12T08:21:44Z Waves and oscillations http://localhost:8080/xmlui/handle/123456789/2838 2024-03-01T10:12:00Z 2023-12-01T00:00:00Z Waves and oscillations 2023-12-01T00:00:00Z English (Reappear) http://localhost:8080/xmlui/handle/123456789/2836 2024-03-01T10:08:28Z 2023-12-01T00:00:00Z English (Reappear) 2023-12-01T00:00:00Z Basic calculus http://localhost:8080/xmlui/handle/123456789/2835 2024-03-01T10:07:06Z 2023-12-01T00:00:00Z Basic calculus 2023-12-01T00:00:00Z Atomic and molecultar physics http://localhost:8080/xmlui/handle/123456789/2831 2024-03-01T10:00:59Z 2023-12-01T00:00:00Z Atomic and molecultar physics 2023-12-01T00:00:00Z