Sarjan, Muhammad, 		Rahman, Mahbub, 		Ma, Gang, AND 		Schmit, Otto.
" Resistance against Bacillus thuringiensis endotoxins in a laboratory      population of Helicoverpa armigera is based on an elevated immune status" <em>Jurnal ILMU DASAR</em> [Online], Volume 10 Number 1 (23 May 2013)