Winarno, Sri, 		Darsono, Darsono, 		Harisudin, Muhamad, AND 		Sudiyarto, Sudiyarto.
" CONSUMER ATTITUDE ON THE PEOPLE’S COFFEE OF PROCESSED ROBUSTA IN SOME REGENCIES OF JEMBER, LUMAJANG AND MALANG" <em>UNEJ e-Proceeding</em> [Online], (5 July 2018)