Hartono and Endang Suprihati and Erma Safitri and Nunuk Dyah Retno Lastuti and Mufasirin and Kusnoto (2019) Identification of Gastrointestinal Endoparasite in Bawean Deer (Axis kuhlii) and Spotted Deer (Axis axis) at Bratang Flora Park-Surabaya. Journal of Parasite Science, 3 (2). pp. 53-58. ISSN 2599-0993

Hartono (1998) Pemanfaatan Limbah Feses Sapi Potong Dan Sampah Organik Sebagai Bahan Baku Briket Bioarang. Skripsi thesis, UNIVERSITAS AIRLANGGA.