Hartika, Meitri, 		Syamsuardi, Syamsuardi, AND 		Nurainas, Nurainas.
" Density From Two Populations Of Local Invasive Species Arenga obtusifolia Mart. In Nature Reserve Forest, West Sumatera" <em>Metamorfosa: Journal of Biological Sciences</em> [Online], Volume 6 Number 2 (23 December 2019)