Hubungan pemakaian brain booster sabuk cerdas pada saat kehamilan terhadap perkembangan bayi usia 1-12 bulan di Kota Salatiga tahun 2019 = Correlation between the smart belt brain booster in pregnancy stage on 1-12 months infant development in Salatiga City in 2019.

The undiscovered mind : how the brain defies explanation

Digestive wellness : strengthen the immune system and prevent disease through healthy digestion

Drugs and human behavior/ David M. Grilly

The illustrated encyclopedia of Healing Remedies