?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Pratama&rft.au=Pratama%2C+Ikhwan&rft.aufirst=Ikhwan&rft.inst=Universitas+Negeri+padang&rft.date=February+2021&rft.degree=Bachelor%2FSkripsi&rft.title=Optimalisasi+Kinerja+Alat+Angkut+Dump+Truck+Scania+Patria+X+Pro+Model+TV45+Menggunakan+Metode+Quality+Control+Circle+pada+Aktivitas+Penambangan+Batubara+di+Seam+A+Site+Rantau+PT.+Kalimantan+Prima+Persada%2C+Kecamatan+Tapin+Utara%2C+Kabupaten+Tapin%2C+Provinsi+Kalimantan+Selatan