Tiodora, Julia (2023) Analisis pengaruh elemen social media marketing terhadap consumer brand engagement dan brand knowledge pada pengguna jasa Grabfood di Medan = The analysis of social media marketing elements impacts towards consumer brand engagement and brand knowledge of Grabfood service users in Medan. Masters thesis, Universitas Pelita Harapan.

Tiodora, Julia (2019) The effectiveness of non-taxable income change son indiviual income tax revenue in kantor pelayanan pajak pratama medan barat. Bachelor thesis, Universitas Pelita Harapan.