Al–Qaysi, Bilal Jasim

• Opción Vol. 34 (2018): Edición Especial Nro. 16 - Artículos
  Sustainable value to the customer through the relationship between quality and marketing
  Resumen  PDF
• Opción Vol. 35 Núm. 89 (2019) - Artículos
  The Customer’s Realization of the Service quality provided by life insurance companies in Baghdad
  Resumen  PDF