https://abukhadeejah.com/division-between-wives-in-a-plural-marriage-the-book-of-marriage-buloogh-al-maraam-no-1055-1058-explanation-of-shaikh-al-fawzaan/
The division of time between wives in a plural marriage (Bulūgh Al-Marām): Explanation by Shaikh Al-Fawzān