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Hasan, Samsurijal and Awalia, Syifa and Sihombing, Nikous and Hakim, Irma and Juliana, Juliana (2022) PEMASARAN JASA. Pena Persada, Jakarta. ISBN 978-623-455-000-9
Purba, Pratiwi Bernadetta and Mawati, Arin Tentrem and Juliana, Juliana and Kuswandi, Sony and Hulu, Irwan Lihardo and Sitopu, Joni Wilson and Pasaribu, Arsen Nahum and Yuniwati, Ika and Masrul, Masrul (2021) Penelitian Tindakan Kelas. Yayasan Kita Menulis. ISBN 978-623-342-144-7