=LDR 00000nam 2200000 4500 =001 INLIS00000000001833 =005 20260710145728 =082 ##$$a 616.849 =100 1#$$a Keith Ellis =245 1 $$a Menanggulangi Sulit Tidur /$c Keith Ellis =260 ##$$a Jakarta :$b Pustaka Sinar harapan,$c 1983 =650 ##$$a Kesehatan