Williny, Rina Friska B Siahaan, Elserra Siemin Ciamas. Markov Analysis: Strategi Mempertahankan Brand Image Produk Unggulan Sumatera Utara. E-Bis [Internet]. 2021Jun.11 [cited 2024Nov.22];5(1):287-95. Available from: https://jurnal.politeknik-kebumen.ac.id/E-Bis/article/view/774