Suggestions(2)
Exact(60)
Some proposals for future research are suggested.
Some directions for future research are indicated.
Recommendations for future research are presented.
Certain suggestions for future research are outlined.
Directions for future research are discussed.
Unsolved questions are listed for future research.
Areas for future research are identified.
Finally, recommendations for future research are made.
These issues are left for future research.
Suggested theories for future research are provided.
Suggestions are provided for future research.
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