Answer the question on the basis of following passage:
Adhunik Ltd is a consumer goods manufacturing unit running the business for the last 11 years. The C.E.O Mr. Aman wants to raise capital with an objective to modernise the existing plant. For this he has made a plan to offer equity and preference shares in the primary market. He uses a combination of methods. He got the prospects printed, so as to make a direct appeal to investors. Also he has invited offers from some brokers to buy shares at an attractive value. Since Mr. Aman has a great circle of friends who are institutional investors, he can soon gather capital. Another method, that he wants to use is the online system of stock exchange.
"He got the prospectus printed, so as to make a ...... direct appeal to investors."
Identify the method of floatation mentioned in these lines.