boletim_p_d Journal is an open access, peer-reviewed journal that considers articles from fundamental and applied aspects of biological and health, biological and health, chemical technology, chemical engineering and process control, biotechnology and food technology. The journal has a special focus on all aspects of social relations and the impact of social policies, practices and interventions on human relations. boletim_p_d focuses on the needs of individuals for reporting research findings, case studies and reviews.