=LDR 00000nam a2200000 i 4500 =245 \$aRancang Bangun Receiver Automatic Identification System (AIS) Menggunakan Long Range (LORA) =250 \$a =260 \$aSURABAYA \$b POLITEKNIK PELAYARAN SURABAYA, \$c2025 =300 \$axi + 55 halaman =490 \$a =020 \$a =082 \$a2025