I hope to do self study,but PEGA ACDEMY dont give the ressources necessary to advance and have the possibility to prepar a certification in SYSTEM ARCHITECT,for that i m asking. for books or somthings equivalent.
Every self-study course on Pega Academy has a Student Guide PDF that you can download from the relevant Course Overview lesson.
If your goal is to prepare for the System Architect exam, then the System Architect Essentials I and System Architect Essential II courses on Pega Academy will help you prepare for that exam. Each of those courses has a Student Guide in PDF that you can download.