Mulyo IA, Heikal J, Gunawan WB. Python-based PCA for Analyzing Financial Performance Changes in the Health Sector’s Pharmaceutical Sub-Industry. JoE [Internet]. 2025Feb.6 [cited 2026Jun.11];4(1):3992 -. Available from: http://www.ecohumanism.co.uk/joe/ecohumanism/article/view/6274