Bianyuan yu duoyuan : jindai yilai Gan Ning Qing diqu de Zhongxi wenhua jiaoliu xueshu yantaohui 边缘与多元 : 近代以来甘宁青地区的中西文化交流学术研讨会 = Multiculturalism in the far reaches : Chinese-Western cultural exchange in the recent history of Gansu, Ningxia and Qinghai provinces / edited by  Liu Zhaozhang 刘昭章 ; presented by 兰州大学哲学社会学院、兰州大学宗教文化研究中心 School of philosophy and sociology & research centre for religious culture at Lanzhou university