Under which amendment of the Constitution of the Islamic Republic of Pakistan (1973), the President was allowed to unilaterally dissolve the National Assembly and elected governments?

Under which amendment of the Constitution of the Islamic Republic of Pakistan (1973), the President was allowed to unilaterally dissolve the National Assembly and elected governments?

اسلامی جمہوریہ پاکستان کے آئین (1973) کی کس ترمیم کے تحت صدر کو قومی اسمبلی اور منتخب حکومتوں کو یکطرفہ طور پر تحلیل کرنے کی اجازت دی گئی؟
Explanation

The 8th Amendment to the Constitution of the Islamic Republic of Pakistan (1973) allowed the President to unilaterally dissolve the National Assembly and elected governments.

This amendment significantly increased presidential powers during its time.