3 1 10 competencies for analysis and application / L.R. Gay Gay, L.R. Primary Author mixed material Columbus : Merrill Publ. 1987 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F24097.jpg competencies for analysis and application / L.R. Gay Gay, L.R. Primary Author mixed material 0029461170 New York : Macmillan Publishing 1990 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F20983.jpg competencies for analysis and application / L.R. Gay Gay, L.R. Primary Author mixed material 0675205077 Columbus : Merrill 1987 https%3A%2F%2Fsipadu.um.ac.id%2Fadmin%2Fpengolahan_buku%2Fimages%2Fupdbuku%2F22008.jpg