Abdel Moez, M. S; Ahmed, O. J; Al-Shami, Sahar, I. M. "PROGRAM FOR PROFESSIONAL DEVELOPMENT CHEMISTRY TEACHERS OF HIGH SCHOOL BASED ON GREEN CHEMISTRY AND ITS IMPACT ON DEVELOPMENT OF PROBLEM SOLVING SKILLS AND ASSIMILATION THE ENVIRONMENT CONCEPTS". Journal of Environmental Science, 40, 1, 2017, 347-379. doi: 10.21608/jes.2017.20189