Lutfi Amalia, “Analysis of the Effectiveness of Green Accounting in Enhancing Operational Cost Efficiency and Environmental Sustainability at PT Wijaya Karya (Persero) Tbk for the Period 2020–2024.” A thesis of Bachelor of Applied Science in Managerial Accounting Study Program, Accounting Department, Politeknik Negeri Semarang, under the supervision of Musyafa Al Farizi, S.E., M.Si. and…