"Curriculum as all the experiences a pupil has under the guidance of the school" is defined by?

"Curriculum as all the experiences a pupil has under the guidance of the school" is defined by?
(a) F. Bobbit
(b) Robert Beck and Waller Cook
(c) Blond's Encyclopedia (1969)
(d) All of them
✅ (d) All of them
Explanation: All these scholars emphasized curriculum as all school-guided experiences, not just subjects.