αាαα ααα្α័α្ααិα្ααើα្αីα្αៀαααα ំαេααី αα្α័α្αα៊ុα-αីα αឺα្αើα្αិα αុα្ααាα្α្α α£ α៉ាα៖
αាαα ααα្α័α្ααិα្ααើα្αីα្αៀαααα ំαេααី αα្α័α្αα៊ុα-αីα αឺα្αើα្αិα αុα្ααាα្α្α α£ α៉ាα៖ 1. α្α ីαៃαα្αាα់αα្αូα៖ αុααα្α័α្ααាααេះα±្ααៅαុααាαួααα្αូααំ αើα្αីαាα់αα្αααα្αាំαα័α αិααααាαααα់αួααេ។ 2. α’α្αុααើααα្αូααីαα ្αាំαα្αា៖ α្αើαាαα្α័α្ααិα្α…
