Ayu Octavia, Diah, 		sumarjono, sumarjono, AND 		marjono, marjono.
" THE ORAL TRADITION OF UNTUNG SUROPATI AMONG THE  PEOPLE OF PASURUAN FROM 1975 TO 2018" <em>JURNAL HISTORICA</em> [Online], Volume 4 Number 1 (3 June 2020)