3. Diligence creates happiness

Participant:
Sun Qian

Supervisor:
Xu Li

Информация о работе:
Diligence creates happiness
兀兀穷年

Participant:
Sun Qian
孙乾

Supervisor:
Xu Li
徐丽

Heilongjiang Oriental University,  Harbin, China
中国.哈尔滨.黑龙江东方学院