A. Achmad and F. A. Nasir, “Kerjasama pemerintah Indonesia dan Singapura dalam pengelolaan wilayah kawasan ekonomi khusus era Joko Widodo-Jusuf Kalla (Periode 2015-2019): Cooperation between the governments of Indonesia and Singapore in the management of special economic zones during the Joko Widodo-Jusuf Kalla era (2015-2019 Period) ”, GovSci, vol. 3, no. 2, pp. 119–131, Jul. 2022.