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31. CCITT RED BOOKS
  ISSN :
  ÃâÆÇ»ç : INTERNATIONAL TELECOMMUNICATION UNION
  ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 32. CCMI GUIDE TO NETWORKING SERVICES. VOLUME 1: INTERLATA SWITCHED SERVICES
      ISSN :
      ÃâÆÇ»ç : CENTER FOR COMMUNICATIONS MANAGEMENT INFORMATION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 33. CCMI GUIDE TO NETWORKING SERVICES. VOLUME 2: INTRALATA SWITCHED SERVICES
      ISSN :
      ÃâÆÇ»ç : CENTER FOR COMMUNICATIONS MANAGEMENT INFORMATION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 34. CCMI GUIDE TO NETWORKING SERVICES. VOLUME 3: INTERLATA PRIVATE LINE SERVICES
      ISSN :
      ÃâÆÇ»ç : CENTER FOR COMMUNICATIONS MANAGEMENT INFORMATION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 35. CCMI GUIDE TO NETWORKING SERVICES. VOLUME 4: INTRALATA PRIVATE LINE SERVICES
      ISSN :
      ÃâÆÇ»ç : CENTER FOR COMMUNICATIONS MANAGEMENT INFORMATION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 36. CCMI GUIDE TO NETWORKING SERVICES. VOLUME 5: INT`L SERVICES
      ISSN :
      ÃâÆÇ»ç : CENTER FOR COMMUNICATIONS MANAGEMENT INFORMATION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 37. CCMI GUIDE TO NETWORKING SERVICES. VOLUME 6: REFERENCE FACTBOOK
      ISSN :
      ÃâÆÇ»ç : CENTER FOR COMMUNICATIONS MANAGEMENT INFORMATION
      ±¹°¡ : UNITEDSTATES
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 38. CELLULAR & MOBILE INT`L
      ISSN : 1054-7703
      ÃâÆÇ»ç : PRIMEDIA INTERTEC PUBLISHING CORP.
      ±¹°¡ : U.S.A.
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 39. CELLULAR SALES & MARKETING
      ISSN : 0892-2683
      ÃâÆÇ»ç : CREATIVE COMMUNICATIONS INC.
      ±¹°¡ : U.S.A.
  • ºÐ·ù :°æ¿µ&°æÁ¦/Áß¼Ò±â¾÷/Áß¼Ò±â¾÷
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
  • 40. CEMA TELECOMMUNICATIONS
      ISSN :
      ÃâÆÇ»ç : CORES EUROPEAN MARKET ANALYSIS
      ±¹°¡ : UNITEDKINGDOM
  • ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ