Acknowledgment - Issue 68

Biblios wish to acknowledge the support of the following professionals who participated in the review process of submissions for our issue 68. Reviewers • Silvina Marcela Angelozzi (Universidad Nacional de Córdoba - UNC, Argentina) Reviewers invited • Alejandro Uribe Tirado (Universidad de Antioquia - UdeA, Colombia) • Ernesto Carlos Bodê (Universidade de Brasília - UnB, Brasil) • Felipe Filiberto Martínez Arellano (Universidad Nacional Autónoma de México - UNAM, México) • Jayme Leiro Vilan Filho (Universidade de Brasília - UnB, Brasil) • Julio Alonso Arévalo (Universidad de Salamanca - USAL, España) • María Teresa Múnera Torres (Universidad de Antioquia - UdeA, Colombia) • Murilo Bastos da Cunha (Universidade de Brasília - UnB, Brasil) • Sueli Bortolin (Universidade Estadual de Londrina - UEL, Brasil) In the same way our acknowledge to University Library System (University of Pittsburgh - PITTS, USA) by constant technical support and advice for our journal