na INLIS000000000039787 20220107084753 0010-0321000684 JIPDSUR Wiyanto, M.A. Optimasi digital marketing / Wiyanto, M.A.; editor, Endah Puji Rohmawati Cet. 1 100 hlm. : ilus ; 23 cm CB-D13/2020-2608 978-602-61666-6-1 ind CB-D13/2020-2608 CB-D13/2020-2608 Kota Blitar : Imo Business, 2020 Masyarakat umum Endah Puji Rohmawati JIPDSUR JIPDSUR 00668/DPK/D/2021