Some resources I found useful.
This video series kicks butt
The stages of soil preparation are visible here.
This no till tetris game from hell takes about 2 times as much work to prepare the soil 😉
but it requires almost no weeding maintenance and results in 4x the productivity of normal raised beds. This book “El Huerto Sustentable” goes into great detail. It takes about 2 hours reading to really get the core of it.