TY - Journal of Guizhou University of Finance and Economics A1 - WANG Hou-shuang, SHENG Xin-yu, ZHAO Lu-nan T1 - Productive Services Import, Servitization and Domestic Value Added in Manufacturing Export Y1 - 2020-11-15 JF - Journal of Guizhou University of Finance and Economics JO - Journal of Guizhou University of Finance and Economics SP - 11 EP - 19 VL - 38 IS - 06 UR - https://gcxb.gufe.edu.cn N1 - ER -