Based on your keywords, you are looking for the written by the legendary masters Arif Sağ and Erdal Erzincan . This book is widely considered the "best" resource for learning the instrument.
: Academic institutions and conservatories often hold copies in their digital libraries for students. baglama+metodu+arif+sag+erdal+erzincan+pdf+best
: Instead of popular folk songs, the books prioritize technical exercises and a selected repertoire designed to reflect the subtleties of the "Bağlama Düzeni" (tuning). Accessibility and Format "Bağlama Metodu" (Bağlama Method) Based on your keywords,
: It provides a comprehensive curriculum for the finger-picking style, which was revitalized and systematized by Sağ and Erzincan. baglama+metodu+arif+sag+erdal+erzincan+pdf+best
If you want the , buy the original printed Bağlama Metodu and supplement with YouTube videos of Erdal Erzincan performing the exercises. Avoid illegal PDFs — they disrespect living masters who still teach and perform.