HADI, MARAFRI (2015) RANCANG BANGUN ALAT PERONTOK PADI SEMI MEKANIS TEP_TS 001. Diploma thesis, UPT. Perpustakaan Unand.
HADI, MARAFRI (2015) RANCANG BANGUN ALAT PERONTOK PADI SEMIMEKANIS TEP_TS 001. Diploma thesis, Universitas Andalas.