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Instructions to Authors:

The work of the editor will be greatly facilitated if authors to the following instructions: -

Manuscripts must be written English with an Arabic summary and sent to the Editor-in-Chief, Yemeni Journal of Science, Amran Road, P.O. Box 11632, Sana’a, Republic of Yemen.

Submission of a manuscript implies that it been approved by the named authors, that it reports their unpublished work, and that it is not sent for publication elsewhere.

Manuscripts should not exceed 25 (A4) pages including figures and tables, produced using Microsoft word, version 6 or above, with Times New Roman font 12”. They should be typewritten in double spacing on A4 paper and submitted in duplicate, and on a 3.5 floppy disc. The file on the disc should exactly correspond to the hard copy.

Authors should, as for as possible, adhere to the following format:

  1. Title page, headed by a concise but informative full title, name(s) and address of the institute where the work was carried out.

  2. Summary, containing brief but informative details of the contents, and conclusions of the paper and should not exceed 200 words.

  3. Introduction,  stating the reasons for carrying out the work

  4. Materials and Methods, containing sufficient experimental details so that methods can be reproduced by researchers (in experimental papers).

  5.  Results should be described as concise as possible and the use of tables and figures to present the same date should be avoided.

  6. Discussion should not recapitulate results in detail or contain new information but should emphasize the relevance and significance of the findings reported.

  7. Acknowledgement.

  8.  References.  Correct references of the responsibility of the author. The Harvard system should, as far as possible, be used for the citation of references in the text as following: Salim & Ali (1999) or (Salim &Ali, 1999).Where there are more than two authors the citation should be in the form Ali et al. (1999) or (Ali et al 1999).  When several papers by the same author (s) have been published in the same  year they should be cited as Ali (1999a,b). Unpublished  work used in the paper can be cited as “unpublished” or “personal communication”.  Citation of papers “in press” or “pre-print” is acceptable. At the end of the paper references must be listed in alphabetical order of authors’ names. Both the title of the paper and of the journal should be given in full according to the following style:

Kalla, S. L. & Galue, L. (1994). Simple algorithm of approximation of the hypergeometric function.

Journal Algebra Groups and Geometry 11:347-459.


Sidhu G. & Webster, J. M. (1974). Genetics of resistance in the tomato to root-knot nematode-wilt fungus complex.  Journal of Heredity 65:153-156.


Hsiao, T. C. (1973). Plant response to water deficits, water use efficiency and draught resistance.

Agricultural Meteorology 14:59-84.


Wood, J.I.R. (1997). A Handbook of the Yemen Flora. Royal Botanic Gardens, Kew. U. K.


Currently, articles accepted for publication are not subject to any charge. The corresponding author will receive one copy of the journal issue containing the plus 10 reprints at no charge.



All submitted manuscripts are internationally refereed. Currently, manuscripts are refereed through lowa State University, USA. This is done through an agreement with the International Institute of Theoretical and Applied Physics IITAP. ISU.



Price per single issue is equivalent to $3.00. Information on  long term subscription rate and air freight are to be obtained by contacting the editors at the above address.


Permission is granted to quote from the journal with the customary acknowledgement of the soirce.