https://www.perpustakaan-stpbogor.kkp.go.id/images/docs/_IMG_0110.jpg.jpg
http://www.perpustakaan-stpbogor.kkp.go.id/images/docs/2010_budidaya_belutsidat.jpg
http://www.perpustakaan-stpbogor.kkp.go.id/images/docs/2014_beternak_lele_dumbo.jpg.jpg
Bbl, P,; 263-310