Radio listening day-after recall study prepared for the Philippine Mass Communications Research Society - Philippine Survey & Research Center (Quezon City PSRC, 1977)
[1] Batangas City[2 Cabanatuan City [3] Dagupan City [4] Laoag City [5] Olongapo City [6] Tacloban City [7] Naga City [8] San Pablo City [9] Tarlac.
Arbitrarily numbered.
Keywords: Radio audiences -- Philippines; Radio programs -- Rating. -- Philippines