Sharma, D and Nagpal , A and Pakade, Yogesh B and Kaur , J K (2010) Analytical methods for estimation of organophosphorus pesticide residues in fruits and vegetables: A review. Talanta, 82. pp. 1077-1089.

Singh , Bikram and Sharma , S and Rani , G and Virk , G S and Zaidi, A A and Nagpal , A (2006) In vitro flowering in embryogenic cultures of Kinnow mandarin (Citrus nobilis Lour x C. deliciosa Tenora). African Journal of Biotechnology, 5 (16). pp. 1470-1474.

Singh , Bikram and Sharma , S and Rani, G and Zaidi, A A and Hallan, Vipin and Nagpal, A and Virk , G S (2006) 136 In vitro Production of Indian citrus ringspot virus-free Plants of Kinnow Mandarin (Citrus nobilis LourxC. deliciosaTenora) by Nucellar Embryo Culture. Plant Pathology Journal, 5. pp. 274-282.

Singh , Bikram and Sharma, S and Rani , G and Hallan, Vipin and Zaidi, A A and Virk, G S and Nagpal, A (2008) In vitro micrografting for production of Indian citrus ringspot virus (ICRSV)-free plants of kinnow mandarin (Citrus nobilis Lour X C. deliciosa Tenora). Plant Biotechnology Reports, 2 (2). pp. 137-143. ISSN 1863-5466

Bhatia, A and Arora, S and Singh , Bikram and Kaur, G and Nagpal, A (2011) Anticancer potential of Himalayan plants. Phytochemistry Review, 10. pp. 309-323.

Singh , Bikram and Sharma , S and Rani, G and Zaidi , A A and Hallan , Vipin and Nagpal , A and Virk , G S (2005) In-vitro production of Indian citrus ringspost virus-free plants of known manadarin (Citrus nobilis laur X C. deliciosa Tenora) by ovule culture. Journal of Plant Biotechnology, 7 (4). pp. 1-7.