Dalʹnie ėkskursii
Subtitle: zadachi, organizat͡s︡ii͡a︡, metodika i soderzhanie ėkskursiĭ
By: A. Savchenko-Belʹskiĭ.
Publisher: "Doloĭ negramotnostʹ"
Published: 1928
Place of publication: Moskva
Language: rus
Number of pages: 79