合著作者
Dr. Ismail W. R. TaifaLecturer, Mechanical & Industrial Eng; University of Dar es Salaam; PhD (University of Manchester)在 udsm.ac.tz 的电子邮件经过验证
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Deusdedith Maganga
Quality Assurance Officer, Quality Management Directorate, Tanzania Bureau of Standards, Dar es Salaam, Tanzania
在 tbs.go.tz 的电子邮件经过验证