Sjahril Sabaruddin, Sulthon. “Penjajakan Indonesia-Southern African Customs Union Preferential Trade Agreement Dalam Upaya Memperluas Peluang Pasar Non-Tradisional Dan Studi Simulasi Perdagangan Bebas Bilateral RI-Namibia”. Cendekia Niaga 6, no. 1 (August 1, 2022): 42–60. Accessed April 3, 2025. https://jurnal.kemendag.go.id/index.php/JCN/article/view/675.