3 1 30 Arfan, Achyar Primary Author Usman, Ahmad Primary Author Samsi, Muhammad Primary Author mixed material Jakarta IPMI 1999 GFP+Cover.jpg Nirtomo, Bagus Primary Author Hadiparmono, Hendarso Primary Author Santoso, P. Iwan Primary Author Handoko, Surya S. Primary Author Dewanto, Yogi Primary Author mixed material n.a IPMI 1990 GFP+Cover.jpg Amarini Primary Author Haryanto, David Primary Author Rachmawati, Lia Primary Author Rachmawati, Edwardine Primary Author Jassin, Nurlany Primary Author mixed material Jakarta IPMI Business School 2007 GFP+Cover.jpg