Asyrofi, A., 		Anggriani, I., & 		Soemarsono, A.
(2023).
 Implementation of Discrete Time Markov Chain Method to Estimate The Transition of Smartphone Brands Usage in Balikpapan.
<em>Jurnal ILMU DASAR, 24</em>(2), 159-168.
doi:10.19184/jid.v24i2.34872