https://www.noormags.ir en https://www.noormags.ir/view/en/articlepage/2155122/exposing-the-gender-role-in-dairy-farming-in-rural-area-of-okara-pakistan-a-case-study-of-tehsil-okara Fri, 14 May 2021 20:30:00 GMT https://www.noormags.ir/view/en/articlepage/3001039/determining-the-optimal-pattern-of-dairy-unit-activities-using-a-dynamic-linear-programming-model-approach-1998-2002 Wed, 21 Dec 2005 20:30:00 GMT