na INLIS000000000000359 20220202101749 220202 0 ind 979-526-096-0 0010-1021000137 658.4 658.4 SON f Sondang P. Siagian Fungsi-Fungsi Manajerial Cet. 2 Jakarta : Bumi Aksara, 1992 xii, 249 hlm. ; 21 cm. BBPPBINUANG000146/2021