Zulfahmi, - (2023) Phenotypic diversity and plasticity index of Eurycoma apiculata populations in Eastern Sumatra, Indonesia based on leaves morphology (Korespondensi). Universitas Islam Negeri Sultan Syarif Kasim Riau.

Zulfahmi, - (2021) Sistem Pakar Diagnosa Penyakit Pada Tanaman Pepaya Menggunakan Metode Forward Chaining Berbasis Android. Skripsi thesis, Universitas Islam Negeri Sultan Syarif Kasim Riau.

Zulfahmi, - and Ervina Aryanti, - and Rosmaina, - and Suherman, - and Muhammad Nazir, - (2019) DIFFERENTIATION OF TWO SPECIES OF PASAK BUMI (EURYCOMA SPP) BASED ON LEAF MORPHOMETRIC. Plant Archives, 19 (1). pp. 265-271. ISSN 0972-5210

Zulfahmi, - and Ervina Aryanti, - and Rosmaina, - (2019) New Recod of Eurycoma Apiculata A.W. Benn (Simaroubaceae) form Forest Reserve of Kenegerian Rumbio, Riau, Indonesia. BERITA BIOLOGI Jurnal Ilmu-Ilmu Hayati, 18 (3). pp. 365-371. ISSN 0126-1754

Zulfahmi, - and Utari Ocsewonda Mahfira, - and Ulfah Juniarti Siregar, - and Iskandar Zulkarnaen Siregar, - and Tedy Yunanto, - (2015) Comparison of levels of chloroplast DNA diversity of two Shorea species with contrasting geographical distribution. AsPac J. Mol. Biol. Biotechnol., 23 (2). pp. 291-302.

Rosmaina, - and Rachmat Ashari, - and Zulfahmi, - (2015) GENETIC DIVERSITY OF Eurycoma longifolia JACK USING RANDOM AMPLIFIED POLYMORPHIC DNA (RAPD) MARKER IN FOREST RESERVE OF KENEGERIAN RUMBIO, INDONESIA. Malays. Appl. Biol., 44 (4). pp. 73-80.

Rosmaina, - and Zulfahmi, - (2013) Genetic Diversity of Eurycoma longifolia Jack Based on Random Amplified Polymorphic DNA Marker. JMHT, 19 (2). pp. 138-144. ISSN 2087-0469

Zulfahmi, - (2013) PENANDA DNA UNTUK ANALISIS GENETIK TANAMAN. Jurnal Agroteknologi, 3 (2). pp. 41-52.