Endang Prihatini, Apriatni Evaluasi Proses Belajar Mengajar Jurusan Ilmu Administrasi Niaga Program Ekstensi FISIP Undip 2004/2005. FISIP Universitas Diponegoro. (Submitted)
NN, NN Bahan ajar Personal Selling. [Teaching Resource] (Unpublished)
Wijayanto, Andi ANALISIS REGRESI LINEAR BERGANDA. [Teaching Resource] (Unpublished)