What are the media (advertising) sources available for sales field and which one you like most preferably?

TV COMMERCIALS, NEWS PAPER;S ADS, HORDINGS AND ADDS ON ELECTRICITY BILLS.
AND I PREFER ADDS ON ELECTRICITY BILLS BCOSE HERE IN PAKISTAN IT IS A CHEAP AS COMPARED TO TV COMMERCIALS BUT APPEARED IN EVERY HOUSE/OFFICE IN SUCH AREA.
THIS WAY OF ADVERTISING I HAVE APPLIED IN KOTLI AZAD KASHMIR FOR THE ADVERTISEMENT OF A NEWLY OPENED COLLEGE BRANCH OF PUNJAB GROUP OF COLLEGE AND WE GOT EXTRA ORDINARY RESULTS.

In UAE it is on air advt.

As you know Today's World are known by IT World, Global World, E-Commerce World,Electronic World, Mechanical World and fast World.This world plenty of Media(Advertisement) sources available.
As I know the following media (advertisement) available for Sales.
Daily News Paper, Weekly News Paper, Weekly Magazine,Monthly Magazine,Daily Bulletin,Weekly Bulletin.
Monthly Bulletin, Radio,TV Channels,Public Hand bills (Electricity,Telephone,Utility Bills etc.)Hand Bills, Hoardings, Wall paintings,POP materials,Transport (Co.Car, Buses,Trains,Areoplanes),Internet,SMS, Sales Event such as Road Show,Party,Welfare Centers.Sports Club,Sports Ground , your Showroom, Workshop & Co.premises.
Stickers, Word of mouth etc.
In Short it is known as Electronic Media, News Media, Air Media(Radio,Telephone,SMS,Internet etc) Educational Media, Giveaways, Word of Mouth Media etc.
It is depended on your Sales propaganda, Products, Brand, your Budget, Sponsorship.Authority, Approvals etc.
therefore, there will be always selection media sources.
I like most preferably is New Paper,SMS and TV Channels.

Electronic media , Social media, word of mouth.