na INLIS000000000012703 20201229164927 201229||||||||| | ||| |||| || | 978-979-067-067-9 010-1220012703 id 420 420 RETNO RIANTI Memahami Gerund Cetakan 1 Semarang PT.Sindur Press 2009 51hlm: 17.5 x 25 cm Gerund,From in Verb