<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gustavo F. Tondello</style></author><author><style face="normal" font="default" size="100%">Alberto Mora</style></author><author><style face="normal" font="default" size="100%">Andrzej Marczewski</style></author><author><style face="normal" font="default" size="100%">Lennart E. Nacke</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">International Journal of Human-Computer Studies</style></title><secondary-title><style face="normal" font="default" size="100%">Empirical validation of the Gamification User Types Hexad scale in English and Spanish</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.ijhcs.2018.10.002</style></url></web-urls></urls><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>