- In “Legal Capacity and Legal Authority of Adult Age in Indonesia: Medical, Psychological and Islamic Law Perspectives” (Samarah: Jurnal Hukum Keluarga dan Hukum Islam 8, no. 1 (2024)), Isroqunnajah Isroqunnajah (Universitas Islam Negeri Maulana Malik Ibrahim Malang) and others, conducting a literature review and multiple interviews, determine that, in Indonesia, “it is necessary to standardize the age of maturity for a person to have certain rights and obligations within the state or in the face of law.”