na INLIS000000000011896 0010-1025009852 Jurnal Ilmiah Keperawatan Imelda Vol.6 No.1 Sarida Surya Manurung Sarida Surya Manurung Vol.6 No.1 Medan : Universitas Imelda Medan, 2020 1-92 hlm. 30 x 21 cm 0 01-25849