"knowledge on this" is a perfectly valid phrase, and can be used in many different ways.
For example, "I'd like to do some more research to gain more knowledge on this topic."
Future studies can build on our efforts, as we did on previous ones, to expand our knowledge on this topic.
Knowledge on this subject is uncertain at best.
Although he accepted some aspects of Aristotelian abstractionism, John Duns Scotus (c. 1266 1308) did not base his account of human knowledge on this alone.
Updating knowledge on this topic may be challenging and require a little extra homework for teachers.
Longitudinal designs (cohort studies) would increase the knowledge on this subject.
Moreover, they found the tutorials very useful to improve their knowledge on this simulator.
There is a lack of knowledge on this symptom in the nursing home (NH) setting.
Therefore, it is inconclusive and underlines the need for more knowledge on this matter.
We conduct a focus group study in Norway to extend the current knowledge on this issue.
This is because knowledge, on this view, is simply the cognitive aspect of a more general notion, that of achievement.
However, in the case of organic micropollutants the knowledge on this potential redox-dependent behavior is still limited.
