Answer: Personal
Step-by-step explanation:
Personal method is one of the type of coordinating mechanisms in which t produces the synergy by proper planning and also coordinating in an organization.
The personal method providing the different types of effective function as it include the creativity, discussion, innovation and also promoting the dialogues in the specific unit of an organization.
The personal method also increases the productivity and also managing the economical growth in an organization. Therefore, personal method is the correct answer.