pilot77According to the report, the pilot, 77-year-old Ronnie Thompson, was flying with a friend when his PiperPILOT77 Journal PkM-CSR menyajikan publikasi ilmiah terkini tentang Pengabdian kepada Masyarakat (PkM) dan Tanggung Jawab Sosial Perusahaan (CSR). Sumber referensi