Bastiar, I., S. Marmanto, and S. Sumarlam. “Code-Switching in Selling and Buying at Segiri Market Samarinda, East Kalimantan: A Sociolinguistics Study”. Lingua Cultura, vol. 12, no. 1, Feb. 2018, pp. 83-88, doi:10.21512/lc.v12i1.4013.