Al khoiron, Muhamad Fiqhussunnah (2021) Culmination of the moon as true north determinant and its application in qibla direction. Undergraduate (S1) thesis, Universitas Islam Negeri Walisongo Semarang.

Sari, Friska Linia (2021) Uji akurasi Backstaff dalam penentuan awal waktu shalat dzuhur dan ashar. Undergraduate (S1) thesis, Universitas Islam Negeri Walisongo Semarang.