Ismail, Asmirawati. “KUALITAS LAYANAN SISTEM PERIJINAN PERDAGANGAN ONLINE INATRADE DI KEMENTERIAN PERDAGANGAN”. Buletin Ilmiah Litbang Perdagangan, vol. 8, no. 2, Dec. 2014, pp. 269-90, https://jurnal.kemendag.go.id/index.php/bilp/article/view/93.