Program komunikasi humas pemasaran "Generasi Non Tunai" melalui media sosial PT Multi Adiprakarsa Manunggal (Kartuku) = Marketing public relations communication program "Generasi Non Tunai" through social media of PT Multi Adiprakarsa Manunggal (Kartuku) / Dicky Renanda Putra - Dicky Renanda Putra, author (2016)