A great article on moving beyond endlessly using the word "quality" and defining what it really means in digital learning and higher education: https://www.insidehighered.com/digital-learning/article/2017/03/29/how-should-quality-be-defined-digital-learning
Here's a story about quality in open and distance learning in Tanzania https://www.universityworldnews.com/post.php?story=20200203132452969