Acknowledgements
The authors would like to extend their gratitude to the Indonesian Endowment Fund for Education (Lembaga Pengelola Dana Pendidikan) under the Ministry of Finance of the Republic of Indonesia for sponsoring their studies.
Register now or learn more
PDF download + Online access
Issue Purchase
People also read lists articles that other readers of this article have read.
Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.
Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.