1-What is the best curriculum or program or anything That teach you how to make solid fundamentaly sound team

2- i played basketball for a long period of time thats may seem silly but i played d2 and i could have been in average team in d1 But my coaches didnt tech me anything and i mean anything im 24 years old i git injured and I'm trying to be a coach and teach myself anything im studying is new to me i was doing it wile playing but by sense not by im taught it for example man2man rules i bought some championship production dvds for it boby knight, frank martin, duke and geno auriama if i typed his name right that made a difference for me like you could never know and im studying dribble drive motion offense By vance Walberg,john calibari and fran farshila I know i will be a good coach if i continued to learn but the real problem for me is how to develop a good player practice planning and how and when to make drills more difficult is that only if i saw improvement on them and how long does it takes Cause im not confident in my work enough cause im still learning maby they aren't evolving cause im doing something wrong

3- if you have any advice any mentorship curriculum that i can buy that could help me please let me know