*/ protected $fillable = ['project_id', 'project_type_id', 'nib', 'business_name', 'oss_publication_date', 'investment_status_description', 'business_form', 'project_risk', 'project_name', 'business_scale', 'business_address', 'district_code', 'village_code', 'longitude', 'latitude', 'project_submission_date', 'kbli', 'kbli_title', 'supervisory_sector', 'user_name', 'email', 'contact', 'land_area_in_m2', 'investment_amount', 'tki']; }