Simarmata, G., F. Pasaru, and B. Nasir. “Pengaruh Tumpangsari Tanaman Sawi (Brassica Juncea Linn.) Dan Tanaman Tomat (Solanum Lycopersicum Linn.) Terhadap Serangan Plutella Xylostella Linn. (Lepidoptera: Plutellidae)”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal), Vol. 5, no. 6, Dec. 2017, pp. 661-7, http://103.245.72.23/index.php/agrotekbis/article/view/226.