लूथर गुलिक को प्रबंधन सिद्धांत में निम्नलिखित में से किस संक्षिप्त नाम (acronym) को पेश करने के लिए जाना जाता है?

Given below are two statements: Assertion (A): Henri Fayol's administrative theory is described as a 'top-down approach' to management. Reason (R): Fayol focused primarily on overall managerial functions and executive administration rather than lower-level shop-floor activities. In light of the above statements, choose the correct answer:

Henri Fayol divided his overall approach to studying management into three primary parts, which are: