Wu li=: She hui xue ke zu/. Xia ce. Wu li=: She hui xue ke zu/. Shang ce. Hua xue=: She hui xue ke zu/. Shang ce. Dang dai she hui xue xue shuo/. Shang ce. Wu li hua xue/. Xia ce. Hua xue shi yan=: Zi ran xue ke zu/. Xia ce. Di li jiao xue gua tu/. Xia ce. He dian zi xue ji chu/. Xia ce. Qu dao shui li xue/. Xia ce. Gao zhong sheng wu xue shi yan/. Xia ce.