-
1по Peasah, Joseph A.“...Monograph (National Research Institute (Papua New Guinea)) ;...”
Опубликовано 1994
-
2Опубликовано 1997“...Monograph (National Research Institute (Papua New Guinea)) ;...”
-
3по Gelu, A. (Alphonse)“...Monograph (National Research Institute (Papua New Guinea)) ;...”
Опубликовано 2008