https://sana.nlai.ir/handle/123456789/301892 Wed, 27 May 2026 17:25:39 GMT 2026-05-27T17:25:39Z https://sana.nlai.ir/handle/123456789/301893 حرارت و برودت [مجله]. شماره 130 Mon, 01 Mar 1400 00:00:00 GMT https://sana.nlai.ir/handle/123456789/301893 1400-03-01T00:00:00Z