Intact plant, callus and field grain yield responses of tepary bean to droughtMOHAMED, M. F; TAWFIK, A. A.Journal of agronomy and crop science (1986). 2007, Vol 193, Num 5, pp 305-312, issn 0931-2250, 8 p.Article

Estimation of collective effective dose due to natural background radiation in EgyptHENAISH, B. A; TAWFIK, A. A; ABU ZAID, H et al.International journal of radiation applications and instrumentation. Part C, Radiation physics and chemistry. 1994, Vol 44, Num 1-2, pp 177-180, issn 1359-0197Conference Paper

Plant regeneration in callus culture of cumin (Cuminum cyminum L.)TAWFIK, A. A.Acta horticulturae. 1998, pp 389-393, issn 0567-7572, isbn 90-6605-760-2Conference Paper

Application of calcium and nitrogen for mitigating heat stress effects on potatoesTAWFIK, A. A; KLEINHENZ, M. D; PALTA, J. P et al.American potato journal. 1996, Vol 73, Num 6, pp 261-273, issn 0003-0589Article