The Sufficiency & Reliability of payback period ratio in selecting among alternatives investment proposals, 2nd, Vol. A cost–Benefit weighted model & its effect in rationalizing investment Decisions, Vol. No. 1 The effect of cash flows measurement problems treatment before & during using cost-benefit analysis ratios in arriving to a best investment decision, Vol. 2. The effect of using net future value in determining the project economic life in choosing among investment alternatives, Vol. 1 The native discounting added value as a measure for the sharing of the economic entity in national income, Vol. 2. The period of tax exemption for investment projects & the validity of payback period as a measure for it, Vol. 2. The effect of the environmental dimension in pricing the fees of the civil airports services, a proposed accounting model, Vol. 2. An analytical study for the accounting problems in private sector education "An applied study", Vol. 1 Some approaches for rationalizing pricing of international civil airports aviation fees, "An environmental – cost Model", Vol. 1 The Effect of re-structure of the tax manpower in riching the state general budget, an applied study on some tax zones, Vol. 2 The state general budget & B.O.T. contracts, "general projects by private resources", an applied study with using of the present value An accounting approach", Vol. 2 The integrated approach for cost reduction & quality control for riding the competitive market in advanced production technology, an applied study in press activity in a certain press organization by using ABC approach, Vol. 2. Tax fact & the general budget, problems/ remedies, an analytical study aiming at rationalizing the governmental performance, Vol. 2 The accounting information role in increasing the benefit of E-commerce, Vo. 1. Using cost approach as a strategic managerial accounting technique in rationalizing the choosing agricultural irrigation systems with an applied study in Egypt, vol. 1. Requirements of independence & neutrality of internal audit in commercial banks in Egypt, vol.1. Audit techniques role in expecting gap treatment in corporate governance in the Egyptian environment, Vol. 1. دور اليات واساليب المراجعة في معالجة فجوة التوقع في حوكمة الشركات في البيئة المصرية متطليات تفعيل استقلالية وحيادية المراجعة الداخلية في البنوك التجارية في مصر اثر اعادة الهيكلة العمالة الضريبية علي اثراء الموازنة العامة للدولة اثر اعادة الهيكلة العمالة الضريبية علي اثراء الموازنة العامة للدولة اثر البعد البيئي في تسعير الرسةم الملاحية لخدممات النقل الجوي المدني نموج محابي مقترج استخادم مدخل التكلفة كاحد اساليب المحاسبة الادارية في ترشيد اختبار النظم البديلة للري الزراعي مع دراسة تطبيقية في مصر دور المعلومات المحاسبية في زيادة المنفعة من منظور التجارة الالكترونية