Lub yim hli ntuj lub tuam txhab tau nruab ib chav kawm ntawm Samara State Agrarian University
Lub tsev kawm ntawv muaj ntau yam rau kev qhuab qhia, cov chav kawm ua tau zoo thiab chav sim, muab lub sijhawm tshiab rau kev txhim kho cov txheej txheem kev kawm - suav nrog ...