(3GdQbGHI GdbVGFjI Ydi GLQGAGJ GdMLR (B/ s - (3GdUhaj, GMeO SejQ eMeO jGSjf, s; (3aGWeI GdRgQGA, HhLdGd, s ((3GdGScfOQjI (B[(3eUQ(B] : s (3GdeQcR GdGcGOjej ddfTQ, s, 2019)
(3jJVef edGMb(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B189-192.s
Keywords: (3bGfhf GdGLQGAGJ GdeOfjI hGdJLGQjIs -- (3GdLRGFQ(B.s; (3GdMLRs -- (3bhGfjf hJTQjYGJs -- (3GdLRGFQ(B.s