Ke xue jiao yu zhi yuan li ji qi jiao shou fa
By: Yu Shangtong zhu ; Jiao yu za zhi she bian ji
Contributors: Jiao yu za zhi she
Series: Jiao yu cong shu
Publisher: Shang wu yin shu guan
Published: 1925
Place of publication: Shanghai
Language: chi
Number of pages: 101
Subjects: Science; Study and teaching