QUOTE (chrismh @ Feb 16 2010, 05:46 PM)

Great job... keep it up!

thank you so much
QUOTE (IslanderNL @ Feb 16 2010, 07:13 PM)

Ceren, I think you have a strong concept of the anatomy of the human face and it shows in your drawing.
What you need to work on is your values. In your drawings there isn't a specific light source and your values are very similar, so you're not defining the features strongly enough.
Also be aware that your shading should create the form, not a hard line. It takes a bit of practice to understand and do it, but it will become easier with time. There should be no white paper as the skin tone, only a bright area of highlight. All skin has a value, even if very light and once you've toned the skin and added your values you will see that it fits together well.
Its also easier to critique a piece if you show the original reference image that you worked from. Without it, I am only guessing at what should be there or not be there. Look carefully at the eyes in your references and watch for shapes and values that make them look realistic. We often fall into the trap of drawing features like eyes as we 'think' they should look where in reality they have many different shapes and sizes and colours.
thanks for your comment IslanderNL

, your feedback is so precious for me, i'll pay more attention to shading... and next time i'll upload the original reference