Six research studies

This book reflects the research work of the members of the Academic Body of Administrative Accounting Sciences of the School of Administration and Accounting of the Autonomous University of Coahuila in Mexico. six studies on SMEs in the city of Piedras Negras Coahuila are presented in this work. The topics are related to the history and development of this sector as well as the use of social networks quality as an attribute of customer satisfaction and training as an improvement process for the survival of these companies. With this book we want to acknowledge our University UADEC for the trust in the activities we carry out.