四川师范学院数学系；四川石油管理局地质调查处
MBthematics Departmeht
nanchong teachers college
青岛大学师范学院学报
Journal of Teachers College Qingdao University
漳州师范学院数学系
Dep. of Math.
zhangzhou teacher college
大连理工大学数学系；石油地球物理勘探局研究院
zhang shulun
mathematical department
Dalian University of Technology and Science．Dalian City
石河子大学学报
Journal of Shihezi University
青岛大学师范学院地理系
geography department
teachers’ college
qingdao university
Geography Department of Teachers’ College
青岛大学师范学院化学系
department of chemistry
Normal College of Qingdao University
Teachers college
qingdao university
大庆石油管理局物探公司；哈尔滨工业大学数学系
geophysical exploration corporation
daqing petroeum administration
石河子大学经济贸易学院
College of Economy and Trade
shihezi university
economy trade academy
石河子大学经济与管理学院
Economic and Management College of Shihezi University
石河子大学经济与贸易学院
College of Economy and Trade
shihezi university
石河子大学信息科学与技术学院
School of Information Sciences and Technology
shihezi university
河北科技师范学院学报
Journal of Hebei Normal University of Science & Technology
Journal of Hebei Normal University of Science and