This document appears to be a bibliography or list of references on topics related to online sales (jual beli online) and cybercrime (cybercrime) in Indonesia. The references are from blog posts and websites that discuss definitions of online sales and purchasing, how investigators can track perpetrators of fraud in online sales, definitions of cybercrime, and the characteristics of cybercrime. The document provides sources for further research on legal and technical aspects of online commerce and virtual crimes in Indonesia.