Di liu ci quan guo lao da jue yi
By: Hua bei zong gong hui chou bei wei yuan hui bian
Contributors: Hua bei zong gong hui chou bei wei yuan hui
Publisher: [Xin hua shu dian]
Published: 1949
Place of publication: [Zhong yuan]
Language: chi
Number of pages: 60
Subjects: Labor; Congresses; Working class