Sound & Waves http://oer.just.edu.jo/xmlui/handle/123456789/396 2026-06-30T09:27:47Z 2026-06-30T09:27:47Z Sound & Waves http://oer.just.edu.jo/xmlui/handle/123456789/401 2025-03-18T06:55:06Z 2025-01-01T00:00:00Z Sound & Waves 2025-01-01T00:00:00Z