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Main Author: ڈاکٹر عبدالبصیر پال | Ḍākṭar 'Abdulbaṣīr Pāl  

Subject: Natural Science

Place: لاہور | Lāhaur

Publisher: ایم آر برادرز شعبہ عام فہم سائنسی مطبوعات | Em Ār Brādarz Shu'bah-yi Ām Fahm Sā’insī Mat̤būʻāt

Date of publication: 1961

Language: Urdu

Page: 207 p.

Source: Masood Faisal Jhandir Library

Serial no: 24231

Keyword: Sound -- waves -- Juvenile literature | Sound -- physics -- Transmission of sound | Acoustics -- Generation of sound -- Measurement

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