ABSTRACT
It is customary to divide the services of a company, organization, institution or individual into two types :
• a tangible product (e.g., toothpaste, radio, car); • a service that is consumed as it is produced (e.g., haircut).
It is customary to divide the services of a company, organization, institution or individual into two types :
• a tangible product (e.g., toothpaste, radio, car); • a service that is consumed as it is produced (e.g., haircut).