Annual report - Perbadanan Pembekalan Letrik Sarawak (Kuching : Sarawak Electricity Supply Corporation, 1972)
Terbitan 1985 ada judul selari : Laporan tahunan = Annual report, Kepunyaan perpustakaan : 1973, 1971, 1976, 1977(15th); 1978; 1981(19th); 1982(20th); 1983(21st); 1984(22nd); 1985, 1986(24th); 1987(25th); 1988(26th), 1991(29th), 1992, 1994 (32nd)
Keywords: Electric power - Sarawak