Ms. Olha Tikhonova at ACE Conference 2018 by GSTF Singapore
2019-10-17 3 Dailymotion
Ms. Olha Tikhonova Technical University of Lisbon Lisbon. Testimonial: Ms. Olha Tikhonova at the Architecture and Civil Engineering Conference - ACE 2018 by Global Science and Technology Forum – GSTF GSTF: https://globalstf.org/