Final answer:
The 'reflection phase' is not one of the standard stages of integrating ethics into the strategic marketing planning process; recognized stages include planning, implementation, and control phases.
Step-by-step explanation:
The stage that is not one of the stages of integration of ethics into the strategic marketing planning process is c. the reflection phase. Typically, the recognized stages in the integration of ethics into strategic marketing planning include the planning phase, where ethical considerations are identified; the implementation phase, where strategies are put into action with ethical guidelines; and the control phase, where the outcomes are monitored for ethical compliance. The reflection phase, while potentially valuable for personal or organizational growth, is not typically cited as a formal stage in this process.