(2025). What is cost estimation and why is it important? Philippine Star.
Chicago Style (17. basım) Atıf"What Is Cost Estimation and Why Is It Important?" Philippine Star 2025.
MLA (9th ed.) Atıf"What Is Cost Estimation and Why Is It Important?" Philippine Star, 2025.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..