PERANCANGAN SPAM (Sistem Penyediaan Air Minum) MANDIRI DESA RAGUKLAMPITAN KECAMATAN BATEALIT KABUPATEN JEPARA SPAM PLANNING (Drinking Water Supply System) SELF-SUFFICIENT RAGUKLAMPITAN VILLAGE BATEALIT SUBDISTRICT JEPARA REGENCY - AHMAD SETIAWAN, 191230000403 (2022)