Which of the following is NOT mentioned?
A: What is the purpose of the study?
B: What problem does the study try to solve?
C: What solution does the paper offer?
D: What is the scientific objective of the study?
A: What is the purpose of the study?
B: What problem does the study try to solve?
C: What solution does the paper offer?
D: What is the scientific objective of the study?
