Sumarlin, Antonius Widyatma, Agus W Soehadi, Budi Suharjo, and Heny K Daryanto. 2013. “Can a Knowledge Sharing Platform Without a Brand Community Platfrom Contribute to the Brand Community Commitment?”. Jurnal Manajemen Teknologi 12 (1). https://journal.sbm.itb.ac.id/index.php/mantek/article/view/504.