UNAB Elearning Operaciones Industriales. Locutor Ramón Sierra www.ramonsierra.com
Locución para elerning sobre el campo operaciones industriales Universidad Andrés Bello. Locución Ramón Sierra. www.ramonsierra.com
Learn More Skills, Skills Pay the Bills
www.etrainingskill.com
6-8 weeks baby check for health visitors (online version only) 
Mastering Closing The Sale 
6- 8 Weeks Baby Check (Assessment) Training for Health Visitors 
Business to Business Selling 
Negotiaton Skills 
Communication Skills for Doctors 