HOW TO WRITE EFFECTIVE TEACHING MATERIALS?

Here you have the link to a conference done by Rachael Roberts in which she gives us some clues about how to create excellent and engaging materials for our English lessons. 

https://englishagenda.britishcouncil.org/continuing-professional-development/teacher-educator-framework/knowing-subject/how-write-effective-classroom-materials

I hope it's useful for you!!