Herman, Robertus Tang, Muh. Panji Manggala, Adrianto Sutjiadi, and Ahmad Mukhlis Yusuf. 2008. “ANALISIS STRATEGIC FLEXIBILITY DAN PENERAPAN STANDAR EURO 2 TERHADAP PENGEMBANGAN PRODUK: STUDI KASUS PT. PANTJA MOTOR-ATPM ISUZU”. Journal of Business Strategy and Execution 1 (1):55 - 74. https://journal.binus.ac.id/index.php/JBSE/article/view/173.