Postal services. Quality of service. Measurement of the transit time of end-to-end services for single piece priority mail and first class mail— 64 стр.
Postal Services. Quality of Services. Measurement of the transit time of end-to-end services for single piece priority mail and first class mail— 118 стр.
Postal services. Quality of service. Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail— 14 стр.
Postal services. Quality of service. Measurement of loss and substantial delay of priority and first class single piece mail using a survey of test letters— 40 стр.
Postal Services. Quality of Services. Measurement of the transit time of end-to-end services for single piece priority mail and first class mail— 118 стр.
Postal services - Quality of service - Measurement of loss and substantial delay in priority and first class single piece mail using a survey of test letters