H. Son Bang, Lee, J. - H., Kwon, O. Seok, Na, Y. Eun, Jang, Y. Seon, and Kim, W. Ho, ?Effects of paracoprid dung beetles (Coleoptera : Scarabaeidae) on the growth of pasture herbage and on the underlying soil?, Applied Soil Ecology, vol. 29, pp. 165-171, 2005.

J. E.  Herrick and Lal, R., ?Dung decomposition and pedoturbation in a seasonally dry tropical pasture?, Biology and Fertility of Soils, vol. 23, pp. 177-181, 1996.

D. M.  Spratt, ?Endoparasite control strategies: Implications for biodiversity of native fauna?, International Journal for Parasitology, vol. 27, pp. 173-180, 1997.

K.  Yokoyama and Miyau, N., ?A preliminary study on cow dung decomposition by Onthophagus lenzii Harold (Coleoptera: Scarabaeidae): physical breakdown of organic matter?, Edaphologia, vol. 51, p. 43, 1990.