Advertisement
The "Bernin Robert Valverde" user's logo

Bernin Robert Valverde

Santa Cruz de la Sierra, Bolivia

https://www.facebook.com/berninrobert

email: berninvalverde-quimico@hotmail.com whatsapp: +591 70082831 facebook:https://www.facebook.com/robbervalv email:berninvalverde-quimico@hotmail.com Bolivia

Publications