Credencial verificada
Sonia de Souza Silva Gerstner
Certified Customer Negotiation Specialist
CCNS
Certified Customer Negotiation Specialist
- Titular
- Sonia de Souza Silva Gerstner
Código de credencialEmitida el 9 de julio de 2025
CCNS-TH7R-ZB59
Credencial verificadapmcert.org/verify