Deni Kusumawardani, Galih Dwika Putra Ragayatsu,. “Innovation of Vertical Intra-Industry Trade: Asean-5 and China Electronic and Telematic Sectors”. Opción 360 (April 24, 2020): 206-224. Accessed December 6, 2025. http://www.produccioncientificaluz.org/index.php/opcion/article/view/31710.