RESEARCH QUARTERLY FOR EXERCISE AND SPORT, 2019-12
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, vol. 62, page. 268 - 282, 2018-07
Sustainability, vol. 9, no. 4, 2017-03
ENERGY POLICY, vol. 86, page. 718 - 728, 2015-11
ENERGY POLICY, vol. 42, page. 429 - 441, 2012-03