| संज्ञा • P A system • public-address system | |
| व्यवस्था: act discipline management plan set-up system | |
ध्वनि-विस्तार व्यवस्था अंग्रेज़ी में
[ dhvani-vistar vyavastha ]
| संज्ञा • P A system • public-address system | |
| व्यवस्था: act discipline management plan set-up system | |
