哥哥喷涌而出 发表于 2025-3-25 04:15:44
Abdulrahman Obaid AI-Youbi,Adnan Hamza Mohammad Zahed,Abdullah Atalarhe process of convergence to stability is described, and the regularities underlying change in the size and composition of any population are explored. Techniques for estimating rates from multistate population distributions are presented, and new multi-age, multistate dynamic models are developed.hauteur 发表于 2025-3-25 09:47:22
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http://reply.papertrans.cn/48/4716/471537/471537_26.pngexacerbate 发表于 2025-3-26 08:15:53
Abdulrahman Obaid AI-Youbi,Adnan Hamza Mohammad Zahedpessimism 发表于 2025-3-26 08:29:03
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An Alternative Model of University Endowment,dowments in the Western hemisphere are developed by donations and gifts. In the developing countries, where the donation culture does not exist, one needs to resort to alternative methods of generating an endowment. The paper presents an alternative model of university endowment, which could be adopted to develop an endowment for a university.显微镜 发表于 2025-3-26 17:32:06
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