Translation of "necessary" into Turkmen

For this, an earnest, unprejudiced study of that book is necessary.

Onuň üçin bu Ýazgylary çuňňur we ýüzgörmezlik bilen öwrenmek gerek.

Is there a public library in your area where reference books can be used if necessary?

Mümkin, siziň ýaşaýan ýeriňizdäki kitaphanalardan gerekli maglumatlary tapsa bolar?

So we kept our contact with our son to absolutely necessary family business.”

Biz zerur maşgala meseleleri bolmasa, oglumyz bilen asla gepleşmeýärdik».