Jing ji xue yuan li di 6 ban xue xi zhi nan

Ben shu shi yu man kun suo zhu<jing ji xue yuan li>(di 6 ban)(bao kuo wei guan jing ji xue fen ce he hong guan jing ji xue fen ce)Pei tao de xue xi fu dao shu. Mei ge zhang jie dou yu<jing ji xue yuan li> de nei rong yi yi dui ying, Mei zhang fen wei ben zhang gai shu, Wen ti yu jian da ti, Zi wo ce shi ti, Jin jie si kao ti he da an deng.