The ecology and behaviour of the proboscis monkey (Nasalis larvatus) in the lower Kinabatangan, Sabah - Ramesh Boonratana; Mahidol University. Faculty of Graduate Studies (Bangi : Perpustakaan Tun Seri Lanang, 2005)
Thesis (Ph.D.) - Mahidol University, 1993
Keywords: Mahidol University -- Dissertations; Dissertations, Academic -- Thailand; Proboscis monkey -- Sabah