- Publication venue
- Quezon City :National Research Council of the Philippines, University of the Philippines,1955.
- Publication date
- 01/01/1955
- Field of study
- Publication venue
- 'Oxford University Press (OUP)'
- Publication date
- Field of study
- Publication venue
- Washington, Govt. print. off.,
- Publication date
- Field of study
Mode of access: Internet
- Publication venue
- 'SAGE Publications'
- Publication date
- Field of study