Muhadjir Anwar, Ayundha Evanthi, and Eko Purwanto. “Travel Agency Companies Under Environmental Uncertainty: Multiple Strategic Orientation and Performance”. Jurnal Manajemen Teknologi 24, no. 1 (May 27, 2025): 30–45. Accessed October 22, 2025. https://journal.sbm.itb.ac.id/index.php/mantek/article/view/5625.