Wossala, Jan:
Matematika pro bystré a nadané žáky.
(Czech) [Mathematics for smart and talented pupils].Učitel matematiky,
vol. 25
(2017),
issue 5,
pp. 311-313
Wossala, Jan:
Matematika pro trojkaře aneb Maturita v kapse.
(Czech) [Mathematics for average students or Having secondary school leaving examination all sewn up].Učitel matematiky,
vol. 25
(2017),
issue 1,
pp. 62-64