by Chen zhi wei, Jia xiu ying
Ben shu bao kuo ke xue yu ke xue jiao yu, Ke xue jiao yu li lun, Ke xue jiao yu de nei rong, Xue sheng de ren zhi fa zhan yu ke xue jiao xue, Ke xue gai nian de xue xi, Ying zhang wo de ke xue fang…