Palabras clave
      manganese dioxide; nanowires; iridium; ORR; low metal loading [1]
      Maxillofacial prosthesis, anaplastology, Digital Models, Additive Manufacturing, 3D-Printing [1]
      Meaning of life, Presence of meaning of life, Search for meaning of life, Undergraduate students [1]
      measurement invariance, Peru, COVID-19, anxiety, depression, reassurance seeking behavior [1]
      medical education, COVID-19, eLearning, distance education, Peru [1]
      medical students, visual fatigue, computer visual syndrome, eye disorder, Paraguay [1]
      metaverso ; facebook ; apoyo institucional ; tecnología ; autoeficacia ; intención de participar ; Perú ; COVID-19 [1]
      Method, vaccines, covid 19 [1]
      Methodology, multichannel [1]
      microbial biosensors; monitoring; wastewater; wastewater monitoring [1]
      microbial fuel cell; bacteria; generation; bioelectricity; coriander waste [1]
      microbial fuel cell; bacteria; yeast; bioelectricity; tangerine waste [2]
      microbial fuel cell; waste; pineapple; bioelectricity; Wickerhamomyces anomalus [1]
      microbial fuel cells; biometric analysis; research trend; organic waste [1]
      Mining projects; social acceptance; virtual reality; interaction; mining communities [1]
      mobile application, COVID-19, emotional, RUP, psychological, mental health, social, telemedicine [1]
      mobile application, fruit maturity, arduino, iot, scrum [1]
      Mobile application; COVID-19; e-commerce; RUP; sale of clothes [1]
      Mobile application; sanitary control; systematic review; digital technologies [1]
      Modelos predictivos, COVID-19, Unidadde cuidados intensivos,Predicción, Revisión sistemática. [1]