Passion and Intrinsic Motivation in Digital Gaming. - Chee Keng John Wang; Angeline Khoo; Woon Chia Liu; Shanti Divaharan (Cyberpsychology Behav. Soc. Netw., 2008)

Understanding motivation in internet gaming among Singaporean youth: The role of passion. - Chee Keng John Wang; Woon Chia Liu; Stefanie Chye; Nikos L. D. Chatzisarantis (Comput. Hum. Behav., 2011)