> Download:
ch7.5: https://drive.google.com/drive/folders/1PzVBKpahSRbPd7VHAQi27fLODgIK6omC?usp=sharing
ch8: https://drive.google.com/drive/folders/1xXIVgX9JJPgkMqLfApk2qFJVZlvo-5FJ?usp=sharing