general flow of process
materials being introduced
Both (A) and (B)
None of the above
operation process chart
flow process chart
Physiological, Safety, Ego, Social, Self-realisation
Physiological, Safety, Social, Ego, Self-realisation
Safety, Physiological, Social, Ego
Psychology, Sociology, Physics
Psychology, Sociology, Anthropology
Psychology, Physics, Anthropology
Sociology, Physics, Anthropology
Internal source
External source
Both internal and external source