Pengembangan Metode Pengukuran Standar Volume Pekerjaan Arsitektur, Fasilitas Eksterior Bangunan dan Miscellaneous Work Berbasis WBS Pada Kawasan Stadion Dengan Kontrak Terintegrasi Rancang Bangun Untuk Meningkatkan Akurasi Perhitungan Volume = Development Of WBS-Based Standard Measurement Methods For Architecture, Building Exterior Facilities, and Miscellaneous Work Of Stadium Area With Integrated Design-Build Contract To Increase The Accuracy of Volumes Measurement