No 72 (2021): Number 72 - December 2020

Environment in its 72st edition, in its contribution through research, presents articles from the areas of industry, culture, education, technology, psychology and others; The following articles are included in this edition: Comparison of the calorific power of coconut fiber with carob wood (Prosopis pallida), Converging criteria around a postmodernity with homogenizing claim, Virtual interactivity as a collaborative methodological strategy for learning in line, Construction, validity and reliability of the Scale of Perception of Sexual Harassment in salvadoran women, The social support present in pregnancy and puerperium of the adolescent mother, Mental health in patients who receive their first psychological session in a university clinic, Adapting or fall. The prevalence of Super Selectos against the multinational Walmart. An analysis of the supermarket industry in El Salvador.