Title:Permanence and dropout versus self-sufficiency of university students: A challenge in quality education / Permanencia y deserción versus autoeficacia de estudiantes universitarios: Un desafío de la calidad educativa
Title:Simple One-Pot Synthesis of New Derivatives of the Macrocyclic Aminal 1,3,7,9,13,15,19,21-octaazapentacyclo-[19.3.1.13,7.19,13.115,19]octacosane (OAPO)