Pratomo, Gigih, 		Wardhono, Adhitya, 		Qo’riah, Ciplis, AND 		Wicaksono, Satrio.
" GAME THEORY ANALYSIS OF PROSPECTS OF FORMAL AND INFORMAL INSTITUTIONS TOBACCO INDUSTRY IN GRESIK REGENCY" <em>UNEJ e-Proceeding</em> [Online], (8 March 2018)