Items where Author is "Arief Fathurrahman"
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Thesis
Arief Fathurrahman (2021) PENGARUH VARIASI KECEPATAN PUTAR DAN BENTUK PIN TOOL TERHADAP SIFAT TARIK PENGELASAN FRICTION STIR SPOT WELDING PADA POLYPROPYLENE. S1 thesis, Universitas Muhammadiyah Yogyakarta.