Ibragimov course based on his book «A Practical Course in Differential Equations and Mathematical Modeling»
Canvas course: https://www.canvas.net/browse/bth/courses/differential-equations
video lectures: https://www.youtube.com/watch?v=cx84pc6AetA&list=PL-edc4nsbneWh7jj9uwV_QIAl6swTQ2GZ