1. Suharwadji Takiyah, Kamar Pengering Model EXELL, Technical Report, Lembaga Fisika Nasional, Bandung, Indonesia, (1983)
2. Ong KS, Than CF, A forced convection solar paddy dryer, Bulletin, July, Institution of Engineers Malaysia, (1982)
3. Harahap F, Suwono A, Abdurrachim Sapardi J, Prayudi A Description and preliminary test results of a two ton solar paddy dryer. In Proceedings of regional Asia and Pacific workshop on the applications of solar energy in agricultural and post-harvest activities, Bandung, Indonesia, (1981)
4. Development of a low-cost solar agricultural dryer for arid regions of India