| • mass observation technique | |
| जनसमूह: assemblage bunch gathering people masses company | |
| प्रेक्षण: observation viewing | |
| प्रविधि: technique | |
जनसमूह प्रेक्षण प्रविधि अंग्रेज़ी में
[ janasamuh preksan pravidhi ]
| • mass observation technique | |
| जनसमूह: assemblage bunch gathering people masses company | |
| प्रेक्षण: observation viewing | |
| प्रविधि: technique | |
