Links:[1] https://pepak.sabda.org/epublish/1 [2] https://pepak.sabda.org/epublish/1/188 [3] https://pepak.sabda.org/e_binaanak_versi_cetak [4] https://pepak.sabda.org/edisi_pepak/e_binaanak_188_ciri_ciri_anak_madya_10_12_tahun