Permatasari, Rika, AND Tan, Winsherly. " Tındakan Hukum Terhadap Pedagang Dan Pengusaha Yang Menjual Rokok Kepada Anak Di Kota Batam, Indonesıa" CoMBInES - Conference on Management, Business, Innovation, Education and Social Sciences [Online], Volume 1 Number 1 (26 March 2021)