na INLIS000000000000066 20240518090529 0010-1118000064 ind NTPDKUP a-io-nt NASUTION, S. Metode research (penelitian ilmiah) / S. Nasution. Cetakan keenam belas. viii, 156 halaman : ilustrasi ; 21 cm. 979-526-235-1 Indonesia [22] 001.42 001.42 NAS m 001.42 NAS m Jakarta : Bumi Aksara, 2019. Metode penelitian NTPDKUP 123/DKP/R/2023/C4 124/DKP/R/2023/C5