First of all, you need to have a handbook, which can be made by yourself or purchased directly.
Determining the size of the paper, double-sided printing, seams, and typesetting may be very big problems. If you like loose-leaf paper: draw a grid and buy a 5mm grid notebook or a 2.5mm grid loose-leaf paper. This kind of paper beads is almost the same.
They are all available at friends/keny/ff, etc., and there are also a lot of them online.
Generally, it costs 4 to 10 yuan per pack.. 6 to 8 yuan is more common. Many people use postcards to punch holes in the separator pages. It is beautiful and elegant. The punch is said to cost 1.5 to 6 yuan per convex hull. You can buy it by yourself.