Muhammad Barzani Gassim <br/><br/>
Kedalaman zon terluluhawa di Hutan Simpan Lembah Danum  [article] / 
Muhammad Barzani Gassim, Sahat Sadikun, Sahibin Abd. Rahim 
<br/><br/> PTSL Koleksi Asia Tenggara (Pages 93 - 104)