What is PrePar ?
https://spare.boku.ac.at/media/videos/prepar_methods_1.mp4
https://spare.boku.ac.at/media/videos/prepar_methods_1_sub.vtt
Who’s participating to PrePar ?
https://spare.boku.ac.at/media/videos/prepar_methods_2.mp4
https://spare.boku.ac.at/media/videos/prepar_methods_2_sub.vtt