Pagi om mau request hournal dong 43-2000 - IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=836297&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F6740%2F18044%2F00836297.pdf%3 Farnumber%3D836297 makasi om
