Riyanto, S. (2007). The 1 st Student's Choice Toefl [ Test Of English As A Foreign Language]: Test Strategy For Strukture and Written Expression/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRiyanto, Slamet. The 1 St Student's Choice Toefl [ Test Of English As A Foreign Language]: Test Strategy For Strukture and Written Expression/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRiyanto, Slamet. The 1 St Student's Choice Toefl [ Test Of English As A Foreign Language]: Test Strategy For Strukture and Written Expression/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar, 2007.
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