6 1 50 Gary Yukl Primary Author William L Additional Author Gardner III Additional Author mixed material 9781292314402 London Pearson Education Limited 2020 Leadership_in_Organization.jpeg.jpeg Rivers, William L. Primary Author mixed material 9793465360 Jakarta Prenadamedia Group 2003 Media_Massa___Masyarakat_Modern_-_PRE.jpg.jpg Brett William Lowe Primary Author mixed material 9796633043 Jakarta PT Elex Media Komputindo 1993 Seni_menggunakan_dan_meningkatkan_periklanan_yang_efektif.jpg.jpg William L. Rivers Additional Author mixed material 9793465360 Jakarta Kencana Prenada Media Group 2008 2073.jpg.jpg Rivers, William L. Primary Author mixed material 9795261487 Jakarta PT. Gramedia Pustaka Utama 1994 etika.jpg.jpg William L. Rivers Additional Author mixed material 9793465360 Jakarta Kencana Prenada Media Group 2008 3688.jpg.jpg