| Authors Name |
|---|
| Alkor ( Кошкин), J.P.( Я. П.) [1] |
| Awrorin, W. [2] |
| Awrorin, W.A. [1] |
| Beldaj, A. [1] |
| Beldaj, L [1] |
| Beldi, L. [1] |
| Blese, Ernests [1] |
| Bojcowa, A. [1] |
| Egyptian Ministry of Education [1] |
| Hodza, N. [1] |
| Jakobson, A. [1] |
| Kokin, M.D. [1] |
| Krūza, Kārlis [1] |
| Kulagin, I. [1] |
| Lapiņš, Jānis Eduards [1] |
| Lebedewa, E. [1] |
| Paulenko, N. [1] |
| Petrowa, T [1] |
| Petrowa, T.I. [3] |
| Popowa, N.S. [2] |
