na INLIS000000000007245 20220310122712 220310||||||||| | ||| |||| || 978-979-769-516-9 010-0322002021 i 001.4 001.4 SUR m Sumadi Suryabrata Metode Penelitian Ed.2 Jakarta Rajawali Pers 2014 xiv + 166 hlm.; 21 cm