Agus, Riyadi (2021) Dakwah Islam dan Nasionalisme: Studi Kasus Dakwah Kebangsaan A.R. Bawesdan. UIN Walisongo Semarang, Semarang.

Agus, Riyadi (2021) Women and the Da'wah Movement: Historical Analysis of the Khadijah RA’s Role in the Time of Rasulullah Saw. UIN Walisongo Semarang, Semarang.

Agus, Riyadi (2021) Aisyah RA's Interpersonal Communication Model in Sulaiman An-Nadawi's book 'Aisyah'. UIN Walisongo Semarang, Semarang.

Agus, Riyadi (2021) Model Structure of Islamic Guidance and Counseling in the Healing Process of Inpatients. UIN Walisongo Semarang.