Links:[1] https://pepak.sabda.org/epublish/1 [2] https://pepak.sabda.org/epublish/1/213 [3] https://pepak.sabda.org/20/jan/2005/anak_kesaksian_gsm_mengajar_kelas_kecil [4] https://pepak.sabda.org/edisi_pepak/e_binaanak_213_ibadah_gereja