The effects of the removal of the principal neurosecretory centers on the ovaries of the earthworm, Dendrobaena atheca Cernosvitov, (Annelida: Oligochaeta: Lumbricidae) - Kiret, Z T (2016)
M. Sc. Thesis, Department of Biology, Faculty of Science, University of Zakho, Zakho, Kurdistan Regional Government, Iraq.