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Fathan, Tsani (2017) ANALISIS PENGUATAN MODEL BISNIS DENGĂ…N PRNDEKATAN BUSINESS MODEL CANVAS PADA UNIT BISNIS SALES AND CHANNEL KOPERASI TELEKOMUNIKASI SELULAR. Jurnal Techno-Socio Ekonomika Universitas Sangga Buana YPKP, Vol.10 (1). pp. 108-116. ISSN 1979-4835