20 1 10 Richard E. Leakey Primary Author mixed material 9075550014 Nederland Chevalier Holland Pinters 1995 sj9.jpg.jpg Richard T. Schaefer Primary Author mixed material 9786028555685 Jakarta Salemba Humanika 2013 cover_sosiologi.jpg learning to teach Richard I.Arends Primary Author mixed material 9786028555739 Jakarta Salemba Humanika 2013 Richard Bronson Primary Author Gabriel Costa Primary Author mixed material 9789790156722 Jakarta Erlangga Allan G. Harrison Primary Author Richard K. Coll Primary Author mixed material 9790624468 Jakarta Indeks 2013 cover_analogi_dalam_kelas_sains.jpg Richard Platt Primary Author mixed material 9789792284683 Jakarta PT Gramedia Pustaka Utama 2012 Richard Leakey Primary Author mixed material 9786024249960 Jakarta Kepustakaan Populer Gramedia 2019 cover_asal_usul_manusia.jpg Richard M. Leach Primary Author jeremy P.T. Ward Primary Author Jane Ward Primary Author Charles M. Wiener Primary Author mixed material 978979033 Jakarta Erlangga 2007 cover_at_a_glance_sistem_respirasi.jpg Richard Bronson Primary Author Gabriel Costa Primary Author mixed material 9789790156722 Jakarta PT Erlangga 2007 cover_teori_dan_soal_soal_persamaan_diferensial.jpg Theresia Ratih Dewi Saputri Primary Author Richard Evan Sutanto Additional Author mixed material 9786230277146 Yogyakarta Deepublish 2023