Damayanti, Nadia. “Strategi Pengembangan Kerjasama Sister City Kota Semarang, Indonesia – Brisbane, Australia”. Efficient: Indonesian Journal of Development Economics 1, no. 1 (November 17, 2018): 51-58. Accessed July 19, 2024. https://journal.unnes.ac.id/sju/efficient/article/view/27220.