1、PekingUniversityNationalModelUnitedNationsConferenceforHighSchoolStudents2015Academic Standard HandbookofPeking University National Model United Nations Conference for High School Students 20152015年北京大学全国中学生模拟联合国大会学术标准手册AcademicStandardHandbookPKUNMUN20151PekingUniversityNationalModelUni