na INLIS000000000043895 20161121091057.0 $a 978-979-610-537-3 $0010-111600000002918 $a R 428 SLA o C.3 $a R 428 SLA o C.3 $a Drs. Slamet Riyanto, M.Pd $a Otodidak Belajar 16 Tenses $a ke-1 $a Yogyakarta $b Pustaka Widyatama $c 2011 $a 47.547-0