Search Results       Your search for [author]Vergara, Ruperta (Robles), 1936- returned 1 record.           Programmed instruction on the English past tense for grade five. by Vergara, Ruperta (Robles), 1936-; [Quezon City: s.n.], 1973. Subject: English language -- Programmed instruction; English language -- Study and teaching (Elementary).          Add to Book Cart Relevance: 33.75%