SMAS-UOW: http://eis.uow.edu.au/about/contacts/smas/index.html
Arxiv-Complex Variables: http://arxiv.org/list/math.CV/recent
E-SCV: http://e-scv.fmf.uni-lj.si/
VIASM: http://viasm.edu.vn/
Math guys
Nguyen Dinh Hoang: https://sites.google.com/site/hoang1311/
Nguyen Cong Phuc: https://www.math.lsu.edu/~pcnguyen/
Truyen Nguyen: http://www.math.uakron.edu/~tnguyen/
Nguyen Thac Dung: https://sites.google.com/site/mathfarmer80/home/publications
Tran Vinh Hung: http://math.uchicago.edu/~hung/
Nguyen Tien Khai: http://www.personal.psu.edu/ktn2/
Ninh Van Thu: https://thunv.wordpress.com/
Ly Kim Ha: https://sites.google.com/a/hcmus.edu.vn/lkha/home
Jiakun Liu: http://www.uow.edu.au/~jiakunl/
Kai Du https://sites.google.com/site/kaidumath/
Ngo Quoc Anh: https://anhngq.wordpress.com/
Truong Trung Tuyen: https://sites.google.com/site/tuyentruongswebpage/home
Lam Hoang Nguyen: https://sites.google.com/site/nguyenlammath/
Le Quang Nam: http://pages.iu.edu/~nqle/
Andrew Raich: http://comp.uark.edu/~araich/
Nguyen Duc Duy: https://sites.google.com/site/nducduy/duy-nguyen
Dang Duy Minh: https://www.smp.uq.edu.au/people/Duy-MinhDang/
Nguyen Le Luc: https://www.maths.ox.ac.uk/people/luc.nguyen
Nguyen Trong Toan: http://www.toannguyen.org/
Luong Dang Ky: https://kyluong.wordpress.com/
Math collections
https://clas.ucdenver.edu/mathematical-and-statistical-sciences/previous-linear-algebra-exams-and-solutions