1. Chen Xiaoyi, Li Mingwei. Research on subjective well-being and mental health of college students. Journal of Chongqing University (Social Science Edition), Vol.20(2014) No.3, p.178-183.
2. Chen Zhangyuan, Yu Peng. Effects of physical exercise on college students' subjective well-being: The mediating effect of peer relationship. Journal of Capital Institute of Physical Education, Vol.27(2015) No.2, p. 165-171.
3. Du Zanqi. Culture, Rights and the State: Rural North China 1900-1942 (Nanjing: Jiangsu People's Publishing House, China 2010), p.53-54.
4. Guo JQ. A new understanding of the concept of "involution". Sociological Research, (2007) No.3, p.194-208+245-246.
5. Huang Zongzhi. Institutionalized "half-work, half-farming" over-intensive agriculture (above). Reading, (2006) No.2, p.30-37.