Process Planning Review for Mobile Phone Remanufacturing in IndonesiaYopi Yusuf Tanoto, Shu-San Gan, Didik Wahjudi, Niko Adrisenna Pontjonoto and Michael SuryajayaE3S Web Conf., 130 (2019) 01039DOI: https://doi.org/10.1051/e3sconf/201913001039