Xuan Dien, Luong, 		Kim Nga, Nguyen, 		Thi Tuyet Mai, Nguyen, 		Xuan Truong, Nguyen, 		Yamashita, Ken-ichi, AND 		Sugiura, Ken-ichi Sugiura.
" Metal Complexes of π-Expanded Ligands (3): Synthesis and Characterization of tris[2-[(octylimino)methyl]-1-pyrenolato-N,O] cobalt(III)" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 35 Number 2 (28 June 2019)