B. Bonchev, T. Yordanov, T. Ivanov, P. Petkov, T. Teofilov, and S. Bogdanov, “CORONAL PLANE ALIGNMENT OF THE KNEE (CPAK) CLASSIFICATION AND PHENOTYPING : A PERSONALIZED APPROACH TO IMPROVING FUNCTIONAL OUTCOMES IN TOTAL KNEE ARTHROPLASTY”, JBOTA, vol. 63, no. 1, pp. 41–49, Apr. 2026.