6 1 40 Ralp J.Fessenden Additional Author mixed material Jakarta Erlangga 1997 Ralp J.Fessenden Primary Author FESSENDEN, Joan S. Additional Author mixed material Jakarta Erlangga 1997 kimia_organik.jpg.jpg FESSENDEN, Ralp J. Primary Author FESSENDEN, Joan S. Additional Author mixed material Jakarta Erlangga 1986 KIMIA_0002.jpg.jpg Ralp J.Fessenden Additional Author mixed material Jakarta Erlangga 1999;1992;1997 kimia_organik.jpg FESSENDEN, Ralp J. Additional Author FESSENDEN, Joan S. Additional Author mixed material Jakarta Erlangga 1982 KIMIA_ORGANIK_ED_3_JIL_2_FESSENDER_%26%2338%3B_FESSENDER.jpg FESSENDEN, Ralp J. Additional Author FESSENDEN, Joan S. Additional Author mixed material Jakarta Erlangga 1986 kimia_organik_roni_2.jpg