: The Physics Problem Collection (7-9 Grade) is a useful supplement for additional practice.
: If you need the companion Physics 9th Grade Textbook (Peryshkin & Gutnik), it is available via the School 156 Public Services Portal .
The by A.V. Peryshkin is available through several official and educational platforms. You can access the digital versions or purchase physical copies via the following links: Digital & Downloadable Versions
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