Tarigan AL, Indra SB, Indra SB, Alham F. ANALISIS NILAI TAMBAH USAHA IKAN LELE ASAP DI KECEMATAN TEBING TINGGI KABUPATEN SERDANG BEDAGAI SUMATERA UTARA. Agri [Internet]. 2026Sep.28 [cited 2026Nov.7];13(01):59-3. Available from: https://ejurnalunsam.id/index.php/jagris/article/view/15361