Hikam, Saiful and Timotiwu, P.B. and Denny, Sudrajat (2019) Yang Betina Malah Lebih Unggul: Rekayasa Perakitan Jagung Hibrida dengan Memanfaatkan Tetua Betina Unggul. In: 110 Indonesia Innovations-2018. Indonesia Innovation Series, 10 (10). Business Innovation Center, Jakarta, Indonesia, pp. 58-59. ISBN 978-623-90354-0-2

Hikam, Saiful and Timotiwu, P.B. and Denny, Sudrajat (2018) ADAPTATION OF LOW LAND RED-KERNEL RICE INBRED LINES DEVELOPED FROM LOCAL GENETIC SOURCE IN AN ORGANIC UPLAND ENVIRONMENT. In: PROCEEDINGS PERIPI International Seminar 2017 PERIPI – Perhimpunan Ilmu Pemuliaan Indonesia. PERIPI – Perhimpunan Ilmu Pemuliaan Indonesia, Bogor, Indonesia, pp. 128-135. ISBN 978-979-95503-7-8

Hikam, Saiful and Timotiwu, P.B. and Denny, Sudrajat (2017) THE ADAPTATION OF LOWLAND RED-KERNEL RICE INBRED LINES DEVELOPED FROM LOCAL GENETIC SOURCE IN AN ORGANIC UPLAND ENVIRONMENT. In: International and National Seminar INDONESIAN BREEDING SOCIETY (PERIPI), 2-3 October 2017, Bogor.

Hikam, Saiful and Denny, Sudrajat (2010) UTILIZATION OF GENETIC COMPONENTS AND HERITABILITY OF PHYSIOLOGICAL TRAITS IN FEMALE INBRED PARENTS IN DEVELOPING HYBRID AND SYNTHETIC MAIZE VARIETIES. Maize for Asia: emerging trends and technologies proceedings of the 10th Asian Regional Maize Workshop. pp. 88-91. ISSN 978-979-1159-41-8