| • case study | |
| वृत्त: circle record round cycle orb sphere meter ring | |
| अध्ययन: learning study course instruction reading science | |
वृत्त अध्ययन अंग्रेज़ी में
[ vrta adhyayan ]
| • case study | |
| वृत्त: circle record round cycle orb sphere meter ring | |
| अध्ययन: learning study course instruction reading science | |
