The Jakarta Post-Feb 25

The number of Indonesians living and working abroad has grown so large that we cannot afford to ignore their potential contributions to their homeland. Granted, some have taken the citizenship of their adopted country, mostly for practical purposes, including ease of travel. Indonesia does not allow dual citizenship, so some have given up their Indonesian citizenship to comply with the law while others have kept both their Indonesian and foreign passports.

Read more at: https://www.thejakartapost.com/paper/2021/02/24/rethinking-dual-citizenship.html