DAFTAR REFERENSI. Azwar, Saifuddin. (1997). Reliabilitas dan Validitas. Yogjakarta: Pustaka Pelajar

1 DAFTAR REFERENSI Ahmad Radzi, Ahmad Safuan Bin. (2005). The Study of Causes and Effects of Change Order to Engineering Consultant Practitioners. Mas...
Author:  Deddy Iskandar

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