@article{SerthStaubitzvanEltenetal.2022,
  author    = {Sebastian Serth and Thomas Staubitz and Martin van Elten and Christoph Meinel},
  title     = {Measuring the effects of course modularizations in online courses for life-long learners},
  journal   = {Frontiers in Education},
  editor    = {Dilrukshi Gamage},
  volume    = {7},
  doi       = {10.3389/feduc.2022.1008545},
  year      = {2022},
}