Filtering by: Contributor Rulfs, Jill Remove constraint Contributor: Rulfs, Jill Contributor Vassallo, Hellen Remove constraint Contributor: Vassallo, Hellen Creator Boehm, Amanda Remove constraint Creator: Boehm, Amanda License https://creativecommons.org/licenses/by-nc/4.0/ Remove constraint License: https://creativecommons.org/licenses/by-nc/4.0/ Publisher Worcester Polytechnic Institute Remove constraint Publisher: Worcester Polytechnic Institute Subject Heal the World Remove constraint Subject: Heal the World Year 2016 Remove constraint Year: 2016