(Nd\LHIJN ULS ORNUUDYN DALD \DIJN ZASAG (B: (NONOL PRAKTIKIJN ASUUDAL (B/s - (NlHAGWAC\R\N(B, (No^IRYN(B. s; (NaNHNYBAQR(B, (Nl(B.s ((NuLAANBAATAR s c)
Keywords: (N\DIJN ZASAGs