Sumer, D.(2020) Cara Membuat Absen Online dan Terekap Otomatis – Sekali Buat Bisa Digunakan Selamanya
Diperolehi pada 16 Mac 2021 daripada https://www.youtube.com/watch?v=VvUDFWf7cPc

Nelson, J. (2018) How to create a submission form with approval capabilities in Google Forms
Diperolehi pada 17 Mac 2021 daripada https://www.youtube.com/watch?v=ZTPTonyB2JI

Learn Google Spreadsheets (2019) Google Sheets – Linking Data Between Sheets (Workbooks, Files) & Other Worksheets (Tabs)
Diperolehi pada 18 Mac 2021 daripada https://www.youtube.com/watch?v=iGvvK8O5BpQ

Luo, S.(2020)Error code: 0x80070035. The network path was not found. [Solved]
Diperolehi pada 20 April 2021 daripada https://www.drivereasy.com/knowledge/error-code-0x80070035-the-network-path-was-not-found-solved/