Management; Strategic Management: Purpose, Importance, Features, Benefits, Process, Elements, Strategies; Strategic Manager, Leader, Leadership; Power, Authority, Power Sources; Leadership Approaches; Factors that Make Leadership Easier and Difficult, Group; Team: Features, Roles; Teamwork: Benefits, Types, Features, Process, Elements, Recommendations; Decision: Types; Decision Making: Importance, Process, Elements; Criteria of Good Decision; Causes of Indecision, Consequences, Ways to Cope with Indecision; Problem: Problem Solving, Efficient Factors, Necessity and Sufficiency Conditions, Process; Success, Failure, and Suggestions